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href="#Disadvantages_of_agglomeration"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Disadvantages of agglomeration</span> </div> </a> <ul id="toc-Disadvantages_of_agglomeration-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Types_of_economies" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Types_of_economies"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Types of economies</span> </div> </a> <ul id="toc-Types_of_economies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Core-periphery_model" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Core-periphery_model"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Core-periphery model</span> </div> </a> <ul id="toc-Core-periphery_model-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Source_of_economies" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Source_of_economies"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Source of economies</span> </div> </a> <ul id="toc-Source_of_economies-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sources" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sources"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Sources</span> </div> </a> <ul id="toc-Sources-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" 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href="https://es.wikipedia.org/wiki/Econom%C3%ADas_de_aglomeraci%C3%B3n" title="Economías de aglomeración – Spanish" lang="es" hreflang="es" data-title="Economías de aglomeración" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Economie_di_agglomerazione" title="Economie di agglomerazione – Italian" lang="it" hreflang="it" data-title="Economie di agglomerazione" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Agglomeratie-effect" title="Agglomeratie-effect – Dutch" lang="nl" hreflang="nl" data-title="Agglomeratie-effect" data-language-autonym="Nederlands" data-language-local-name="Dutch" 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a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><table class="sidebar sidebar-collapse nomobile nowraplinks hlist" style="width:20.0em"><tbody><tr><td class="sidebar-pretitle">Part of a series on</td></tr><tr><th class="sidebar-title-with-pretitle" style="padding:0.2em 0.4em 0.2em;"><a href="/wiki/Geography" title="Geography">Geography</a></th></tr><tr><td class="sidebar-image" style="padding:0.4em;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Theatrum_Orbis_Terrarum,_by_Abraham_Ortelius,_World,_1572.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg/175px-Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg" decoding="async" width="175" height="119" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg/263px-Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg/350px-Theatrum_Orbis_Terrarum%2C_by_Abraham_Ortelius%2C_World%2C_1572.jpg 2x" data-file-width="12136" data-file-height="8263" /></a><figcaption></figcaption></figure></td></tr><tr><td class="sidebar-above" style="border-top:1px solid #aaa; border-bottom:1px solid #aaa;"> <ul><li><a href="/wiki/Portal:Geography" title="Portal:Geography">Portal</a></li> <li><a href="/wiki/Outline_of_geography" title="Outline of geography">Outline</a></li></ul></td></tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/History_of_geography" title="History of geography">History of geography</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"> <ul><li><a href="/wiki/History_of_geography#Greco-Roman_world" title="History of geography">Graeco-Roman</a></li> <li><a href="/wiki/Chinese_cartography" class="mw-redirect" title="Chinese cartography">Chinese</a></li> <li><a href="/wiki/Geography_and_cartography_in_the_medieval_Islamic_world" title="Geography and cartography in the medieval Islamic world">Islamic</a></li> <li><a href="/wiki/Age_of_Discovery" title="Age of Discovery">Age of Discovery</a></li> <li><a href="/wiki/History_of_cartography" title="History of cartography">History of cartography</a></li> <li><a href="/wiki/Historical_geography" title="Historical geography">Historical geography</a></li> <li><a href="/wiki/Environmental_determinism" title="Environmental determinism">Environmental determinism</a></li> <li><a href="/wiki/Regional_geography" title="Regional geography">Regional geography</a></li> <li><a href="/wiki/Quantitative_revolution" title="Quantitative revolution">Quantitative revolution</a></li> <li><a href="/wiki/Critical_geography" title="Critical geography">Critical geography</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Human_geography" title="Human geography">Human geography</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"><b>Fields</b> <ul><li><a href="/wiki/Behavioral_geography" title="Behavioral geography">Behavioral</a></li> <li><a href="/wiki/Cognitive_geography" title="Cognitive geography">Cognitive</a></li> <li><a href="/wiki/Critical_geography" title="Critical geography">Critical</a></li> <li><a href="/wiki/Cultural_geography" title="Cultural geography">Cultural</a> <ul><li><a href="/wiki/Animal_geographies" class="mw-redirect" title="Animal geographies">Animal</a></li> <li><a href="/wiki/Children%27s_geographies" title="Children's geographies">Children's</a></li> <li><a href="/wiki/Economic_geography" title="Economic geography">Economic</a> <ul><li><a href="/wiki/Agricultural_geography" title="Agricultural geography">Agricultural</a></li> <li><a href="/wiki/Cyber_geography" title="Cyber geography">Cyber</a></li> <li><a href="/wiki/Development_geography" title="Development geography">Development</a></li> <li><a href="/wiki/Geography_of_finance" title="Geography of finance">Financial</a></li> <li><a href="/wiki/Historical_economic_geography" title="Historical economic geography">Histo-economic</a></li> <li><a href="/wiki/Labor_geography" title="Labor geography">Labor</a></li> <li><a href="/wiki/Geomarketing" title="Geomarketing">Marketing</a></li> <li><a href="/wiki/Retail_geography" title="Retail geography">Retail</a></li> <li><a href="/wiki/Theoretical_economic_geography" title="Theoretical economic geography">Theoretical economic</a></li> <li><a href="/wiki/Transport_geography" title="Transport geography">Transport</a></li></ul></li> <li><a href="/wiki/Language_geography" title="Language geography">Language</a> <ul><li><a href="/wiki/Geolinguistics" title="Geolinguistics">Linguistics</a></li> <li><a href="/wiki/Music_geography" title="Music geography">Music</a></li> <li><a href="/wiki/Vernacular_geography" title="Vernacular geography">Vernacular</a></li></ul></li> <li><a href="/wiki/Moral_geography" title="Moral geography">Moral</a></li> <li><a href="/wiki/Psychogeography" title="Psychogeography">Psychological</a> <ul><li><a href="/wiki/Emotional_geography" title="Emotional geography">Emotional</a></li> <li><a href="/wiki/Neogeography" title="Neogeography">Neo</a></li></ul></li> <li><a href="/wiki/Sexuality_and_space" title="Sexuality and space">Sexuality</a></li> <li><a href="/wiki/Religion_and_geography" title="Religion and geography">Religion</a></li></ul></li> <li><a href="/wiki/Geography_of_food" title="Geography of food">Food</a></li> <li><a href="/wiki/Health_geography" title="Health geography">Health</a></li> <li><a href="/wiki/Historical_geography" title="Historical geography">Historical</a> <ul><li><a href="/wiki/Palaeogeography" title="Palaeogeography">Palaeo</a></li></ul></li> <li><a href="/wiki/Imagined_geographies" title="Imagined geographies">Imagined</a></li> <li><a href="/wiki/Internet_geography" title="Internet geography">Internet</a></li> <li><a href="/wiki/Political_geography" title="Political geography">Political</a> <ul><li><a href="/wiki/Critical_geopolitics" title="Critical geopolitics">Critical geopolitics</a></li> <li><a href="/wiki/Electoral_geography" title="Electoral geography">Electoral</a></li> <li><a href="/wiki/Geopolitics" title="Geopolitics">Geopolitics</a> <ul><li><a href="/wiki/Strategic_geography" title="Strategic geography">Strategic</a></li></ul></li> <li><a href="/wiki/Military_geography" title="Military geography">Military</a></li></ul></li> <li><a href="/wiki/Population_geography" title="Population geography">Population</a> <ul><li><a href="/wiki/Settlement_geography" title="Settlement geography">Settlement</a> <ul><li><a href="/wiki/Regional_geography" title="Regional geography">Regional</a></li> <li><a href="/wiki/Urban_geography" title="Urban geography">Urban</a> <ul><li><a href="/wiki/Music_geography" title="Music geography">Music</a></li> <li><a href="/wiki/Transport_geography" title="Transport geography">Transport</a></li></ul></li></ul></li></ul></li> <li><a href="/wiki/Social_geography" title="Social geography">Social</a></li> <li><a href="/wiki/Tourism_geography" title="Tourism geography">Tourism</a></li> <li><a href="/wiki/Tropical_geography" title="Tropical geography">Tropical</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Physical_geography" title="Physical geography">Physical geography</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"><b>Fields</b> <ul><li><a href="/wiki/Biogeography" title="Biogeography">Biogeography</a> <ul><li><a href="/wiki/Ecology" title="Ecology">Ecology</a></li> <li><a href="/wiki/Phytogeography" title="Phytogeography">Phytogeography</a></li> <li><a href="/wiki/Zoogeography" title="Zoogeography">Zoogeography</a></li></ul></li> <li><a href="/wiki/Climatology" title="Climatology">Climatology</a> / <a href="/wiki/Paleoclimatology" title="Paleoclimatology">Paleoclimatology</a> / <a href="/wiki/Palaeogeography" title="Palaeogeography">Palaeogeography</a></li> <li><a href="/wiki/Coastal_geography" title="Coastal geography">Coastal geography</a>/ <a href="/wiki/Oceanography" title="Oceanography">Oceanography</a></li> <li><a href="/wiki/Earth_science" title="Earth science">Earth science</a></li> <li><a href="/wiki/Geology" title="Geology">Geology</a></li> <li><a href="/wiki/Geomorphology" title="Geomorphology">Geomorphology</a></li> <li><a href="/wiki/Glaciology" title="Glaciology">Glaciology</a></li> <li><a href="/wiki/Hydrology" title="Hydrology">Hydrology</a> / <a href="/wiki/Hydrography" title="Hydrography">Hydrography</a></li> <li><a href="/wiki/Landscape_ecology" title="Landscape ecology">Landscape ecology</a></li> <li><a href="/wiki/Limnology" title="Limnology">Limnology</a></li> <li><a href="/wiki/Pedology_(soil_study)" class="mw-redirect" title="Pedology (soil study)">Pedology</a></li> <li><a href="/wiki/Quaternary_science" title="Quaternary science">Quaternary science</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Technical_geography" title="Technical geography">Technical geography</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"><b>Fields</b> <ul><li><a href="/wiki/Geodesign" title="Geodesign">Geodesign</a></li> <li><a href="/wiki/Geodesy" title="Geodesy">Geodesy</a></li> <li><a href="/wiki/Geoinformatics" title="Geoinformatics">Geoinformatics</a></li> <li><a href="/wiki/Geographic_information_science" title="Geographic information science">Geographic information science</a></li> <li><a href="/wiki/Geomatics" title="Geomatics">Geomatics</a></li> <li><a href="/wiki/Statistical_geography" title="Statistical geography">Statistical geography</a></li> <li><a href="/wiki/Spatial_analysis" title="Spatial analysis">Spatial analysis</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Integrated_geography" title="Integrated geography">Integrated geography</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"><b>Fields</b> <ul><li><a href="/wiki/Environmental_social_science" title="Environmental social science">Environmental social science</a></li> <li><a href="/wiki/Environmental_studies" title="Environmental studies">Environmental studies</a></li> <li><a href="/wiki/Landscape_architecture" title="Landscape architecture">Landscape architecture</a></li> <li><a href="/wiki/Landscape_ecology" title="Landscape ecology">Landscape ecology</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content-with-subgroup"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Geography" title="Geography">Methods</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"><table class="sidebar-subgroup"><tbody><tr><th class="sidebar-heading"> <a href="/wiki/Quantitative_geography" title="Quantitative geography">Quantitative</a></th></tr></tbody></table> <ul><li><a href="/wiki/Cartography" title="Cartography">Cartography</a> <ul><li><a href="/wiki/Computer_cartography" title="Computer cartography">Computer cartography</a></li> <li><a href="/wiki/Web_mapping" title="Web mapping">Web mapping</a></li></ul></li> <li><a href="/wiki/Geochronology" title="Geochronology">Geochronology</a></li> <li><a href="/wiki/Geographic_information_system" title="Geographic information system">Geographic information system</a> <ul><li><a href="/wiki/Distributed_GIS" title="Distributed GIS">Distributed GIS</a></li> <li><a href="/wiki/Internet_GIS" title="Internet GIS">Internet GIS</a></li> <li><a href="/wiki/Web_GIS" title="Web GIS">Web GIS</a></li></ul></li> <li><a href="/wiki/Geologic_modelling" title="Geologic modelling">Geologic modelling</a></li> <li><a href="/wiki/Geomathematics" title="Geomathematics">Geomathematics</a></li> <li><a href="/wiki/Geostatistics" title="Geostatistics">Geostatistics</a></li> <li><a href="/wiki/Geovisualization" title="Geovisualization">Geovisualization</a></li> <li><a href="/wiki/Global_Positioning_System" title="Global Positioning System">Global Positioning System</a></li> <li><a href="/wiki/Hydrography" title="Hydrography">Hydrography</a></li> <li><a href="/wiki/Map_algebra" title="Map algebra">Map algebra</a></li> <li><a href="/wiki/Participant_observation" title="Participant observation">Participant observation</a></li> <li><a href="/wiki/Photogrammetry" title="Photogrammetry">Photogrammetry</a></li> <li><a href="/wiki/Remote_Sensing" class="mw-redirect" title="Remote Sensing">Remote Sensing</a></li> <li><a href="/wiki/Statistical_survey" class="mw-redirect" title="Statistical survey">Statistical survey</a></li> <li><a href="/wiki/Surveying" title="Surveying">Surveying</a></li> <li><a href="/wiki/Land_change_modeling" title="Land change modeling">Land change modeling</a></li></ul> <table class="sidebar-subgroup"><tbody><tr><th class="sidebar-heading"> <a href="/wiki/Qualitative_geography" title="Qualitative geography">Qualitative</a></th></tr></tbody></table> <ul><li><a href="/wiki/Ethnography" title="Ethnography">Ethnography</a></li> <li><a href="/wiki/Geopoetics" title="Geopoetics">Geopoetics</a></li> <li><a href="/wiki/Interview_(research)" title="Interview (research)">Interview (research)</a></li> <li><a href="/wiki/Survey_(human_research)" title="Survey (human research)">Survey (human research)</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Philosophy_of_geography" title="Philosophy of geography">Theoretical Approaches</a></div><div class="sidebar-list-content mw-collapsible-content" style="padding:0.2em 0 0.4em; text-align:center;"> <ul><li><a href="/wiki/Behavioral_geography" title="Behavioral geography">Behavioral</a></li> <li><a href="/wiki/Critical_geography" title="Critical geography">Critical</a></li> <li><a href="/wiki/Feminist_geography" title="Feminist geography">Feminist</a></li> <li><a href="/wiki/Marxist_geography" title="Marxist geography">Marxist</a></li> <li><a href="/wiki/Non-representational_theory" title="Non-representational theory">Non-representational theory</a></li> <li><a href="/wiki/Modernism" title="Modernism">Modernism</a> <ul><li><a href="/wiki/Structuralism" title="Structuralism">Structuralism</a></li> <li><a href="/wiki/Semiotics" title="Semiotics">Semiotics</a></li></ul></li> <li><a href="/wiki/Postmodernism" title="Postmodernism">Postmodernism</a> <ul><li><a href="/wiki/Post-structuralism" title="Post-structuralism">Post-structuralism</a></li> <li><a href="/wiki/Deconstruction" title="Deconstruction">Deconstruction</a></li></ul></li></ul></div></div></td> </tr><tr><td class="sidebar-below" style="border-top:1px solid #aaa; padding-top: 0.5em;"> <ul><li><a href="/wiki/List_of_geographical_societies" title="List of geographical societies">Societies</a></li> <li><a href="/wiki/Index_of_geography_articles" title="Index of geography articles">Index</a></li> <li><a href="/wiki/List_of_geographers" title="List of geographers">Geographers</a></li></ul></td></tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar 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ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1184024115"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1184024115"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1184024115"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><table class="sidebar sidebar-collapse nomobile nowraplinks vlist; align:left;"><tbody><tr><td class="sidebar-pretitle">Part of the <a href="/wiki/Behavioral_science" class="mw-redirect" title="Behavioral science">behavioral sciences</a></td></tr><tr><th class="sidebar-title-with-pretitle" style="background: var(--background-color-interactive, #efefef); color: var(--color-base, #000); padding:0.2em;"><a href="/wiki/Economics" title="Economics">Economics</a></th></tr><tr><td class="sidebar-image"><span class="notpageimage skin-invert-image" typeof="mw:File"><a href="/wiki/File:Supply-demand-equilibrium.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Supply-demand-equilibrium.svg/120px-Supply-demand-equilibrium.svg.png" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Supply-demand-equilibrium.svg/180px-Supply-demand-equilibrium.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Supply-demand-equilibrium.svg/240px-Supply-demand-equilibrium.svg.png 2x" data-file-width="217" data-file-height="217" /></a></span></td></tr><tr><td class="sidebar-above"> <div class="hlist"><ul><li><a href="/wiki/Outline_of_economics" title="Outline of economics">Outline</a></li><li><a href="/wiki/Index_of_economics_articles" title="Index of economics articles">Index</a></li><li><a href="/wiki/Glossary_of_economics" title="Glossary of economics">Glossary</a></li><li><a href="/wiki/Category:Economists" title="Category:Economists">Economists</a></li></ul></div> <span class="noviewer" typeof="mw:File"><a href="/wiki/File:Wikibooks-logo-en-noslogan.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikibooks-logo-en-noslogan.svg/16px-Wikibooks-logo-en-noslogan.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikibooks-logo-en-noslogan.svg/24px-Wikibooks-logo-en-noslogan.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Wikibooks-logo-en-noslogan.svg/32px-Wikibooks-logo-en-noslogan.svg.png 2x" data-file-width="400" data-file-height="400" /></a></span> <a href="https://en.wikibooks.org/wiki/Principles_of_Economics" class="extiw" title="wikibooks:Principles of Economics">Principles of Economics</a></td></tr><tr><td class="sidebar-content" style="text-align:left;colwidth=100px;"> <div class="sidebar-list mw-collapsible"><div class="sidebar-list-title" style="background:#efefef; border-top:1px solid;background: var(--background-color-interactive, #efefef); color: var(--color-base, #000);;color: var(--color-base)">Tools and <a href="/wiki/Economic_methodology" title="Economic methodology">methodology</a></div><div class="sidebar-list-content mw-collapsible-content"><b><a href="/wiki/Theoretical_economics" class="mw-redirect" title="Theoretical economics">Economic theory</a></b> <ul><li><a href="/wiki/Mathematical_model" title="Mathematical model">Mathematical modeling</a></li> <li><a href="/wiki/Game_theory" title="Game theory">Game theory</a></li> <li><a href="/wiki/Rational_agent_model" class="mw-redirect" title="Rational agent model">Rational choice</a></li> <li><a href="/wiki/Cognitive_science" title="Cognitive science">Cognitive science</a> (<a href="/wiki/Behavioral_economics" title="Behavioral economics">Behavioral</a>)</li> <li><a href="/wiki/Economic_equilibrium" title="Economic equilibrium">Economic equilibrium</a></li></ul> <p><b><a href="/wiki/Empirical_research" title="Empirical research">Empirical</a> methods</b> </p> <ul><li><a href="/wiki/Experimental_economics" title="Experimental economics">Experimental</a></li> <li><a href="/wiki/National_accounts" title="National accounts">National accounts</a></li> <li><a href="/wiki/Econometrics" title="Econometrics">Econometrics</a> <ul><li><a href="/wiki/Time_series_econometrics" class="mw-redirect" title="Time series econometrics">Time series</a></li> <li><a href="/wiki/Spatial_econometrics" title="Spatial econometrics">Spatial</a></li></ul></li></ul> <p><b><a href="/wiki/Normative_economics" class="mw-redirect" title="Normative economics">Prescriptive</a> and policy</b> </p> <ul><li><a href="/wiki/Welfare_economics" title="Welfare economics">Welfare analysis</a></li> <li><a href="/wiki/Social_choice_theory" title="Social choice theory">Social choice theory</a></li> <li><a href="/wiki/Decision_theory" title="Decision theory">Rational choice theory</a></li> <li><a href="/wiki/Cost%E2%80%93benefit_analysis" title="Cost–benefit analysis">Cost–benefit analysis</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content" style="text-align:left;colwidth=100px;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#efefef; border-top:1px solid;background: var(--background-color-interactive, #efefef); color: var(--color-base, #000);;color: var(--color-base)"><a href="/wiki/JEL_classification_codes" class="mw-redirect" title="JEL classification codes">Branches and subfields</a></div><div class="sidebar-list-content mw-collapsible-content"><div class="div-col" style="column-width: 100px;"> <ul><li><a href="/wiki/Applied_economics" title="Applied economics">Applied</a></li> <li><a href="/wiki/Econometrics" title="Econometrics">Econometrics</a></li> <li><a href="/wiki/International_economics" title="International economics">International</a></li> <li><a href="/wiki/Microeconomics" title="Microeconomics">Micro</a></li> <li><a href="/wiki/Macroeconomics" title="Macroeconomics">Macro</a></li> <li><a href="/wiki/Mainstream_economics" title="Mainstream economics">Mainstream</a></li> <li><a href="/wiki/Mathematical_economics" title="Mathematical economics">Mathematical</a></li> <li><a href="/wiki/Mechanism_design" title="Mechanism design">Mech. design</a></li> <li><a href="/wiki/Economic_methodology" title="Economic methodology">Methodology</a></li> <li><a href="/wiki/Political_economy" title="Political economy">Political</a></li> <li><a href="/wiki/Industrial_organization" title="Industrial organization">Industrial org.</a></li> <li><a href="/wiki/Market_design" title="Market design">Market design</a></li></ul></div></div></div></td> </tr><tr><td class="sidebar-content" style="text-align:left;colwidth=100px;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#efefef; border-top:1px solid;background: var(--background-color-interactive, #efefef); color: var(--color-base, #000);;color: var(--color-base)">Applications</div><div class="sidebar-list-content mw-collapsible-content"><div class="div-col" style="column-width: 100px;"> <ul><li><a href="/wiki/Agricultural_economics" title="Agricultural economics">Agriculture</a></li> <li><a href="/wiki/Business_economics" title="Business economics">Business</a></li> <li><a href="/wiki/Cultural_economics" title="Cultural economics">Cultural</a></li> <li><a href="/wiki/Demographic_economics" title="Demographic economics">Demographic</a></li> <li><a href="/wiki/Development_economics" title="Development economics">Development</a></li> <li><a href="/wiki/Ecological_economics" title="Ecological economics">Ecological</a></li> <li><a href="/wiki/Education_economics" title="Education economics">Education</a></li> <li><a href="/wiki/Engineering_economics" title="Engineering economics">Engineering</a></li> <li><a href="/wiki/Environmental_economics" title="Environmental economics">Environmental</a></li> <li><a href="/wiki/Evolutionary_economics" title="Evolutionary economics">Evolutionary</a></li> <li><a href="/wiki/Financial_economics" title="Financial economics">Financial</a></li> <li><a href="/wiki/Economic_geography" title="Economic geography">Geographic</a></li> <li><a href="/wiki/Happiness_economics" title="Happiness economics">Happiness</a></li> <li><a href="/wiki/Health_economics" title="Health economics">Health</a></li> <li><a href="/wiki/Economic_history" title="Economic history">History</a></li> <li><a href="/wiki/Information_economics" title="Information economics">Information</a></li> <li><a href="/wiki/Institutional_economics" title="Institutional economics">Institutions</a></li> <li><a href="/wiki/Labour_economics" title="Labour economics">Labour</a></li> <li><a href="/wiki/Law_and_economics" title="Law and economics">Law</a></li> <li><a href="/wiki/Managerial_economics" title="Managerial economics">Management</a></li> <li><a href="/wiki/Organizational_economics" title="Organizational economics">Organization</a></li> <li><a href="/wiki/Economics_of_participation" title="Economics of participation">Participation</a></li> <li><a href="/wiki/Personnel_economics" title="Personnel economics">Personnel</a></li> <li><a href="/wiki/Economic_planning" title="Economic planning">Planning</a></li> <li><a href="/wiki/Economic_policy" title="Economic policy">Policy</a></li> <li><a href="/wiki/Public_economics" title="Public economics">Public sector</a></li> <li><a href="/wiki/Public_choice" title="Public choice">Public choice</a></li> <li><a href="/wiki/Social_choice" class="mw-redirect" title="Social choice">Social choice</a></li> <li><a href="/wiki/Regional_economics" title="Regional economics">Regional</a></li> <li><a href="/wiki/Natural_resource_economics" title="Natural resource economics">Resources</a></li> <li><a href="/wiki/Rural_economics" title="Rural economics">Rural</a></li> <li><a href="/wiki/Service_economy" title="Service economy">Service</a></li> <li><a href="/wiki/Transport_economics" title="Transport economics">Transport</a></li> <li><a href="/wiki/Urban_economics" title="Urban economics">Urban</a></li> <li><a href="/wiki/Welfare_economics" title="Welfare economics">Welfare</a></li></ul></div></div></div></td> </tr><tr><td class="sidebar-below"> <div class="hlist"><ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Emblem-money.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Emblem-money.svg/16px-Emblem-money.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Emblem-money.svg/24px-Emblem-money.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Emblem-money.svg/32px-Emblem-money.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span> </span><a href="/wiki/Portal:Economics" title="Portal:Economics">Economics portal</a></li><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Social_sciences.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/16px-Social_sciences.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/24px-Social_sciences.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/32px-Social_sciences.svg.png 2x" data-file-width="139" data-file-height="122" /></a></span> </span><a href="/wiki/Portal:Society" title="Portal:Society">Society portal</a></li></ul></div></td></tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Economics_sidebar" title="Template:Economics sidebar"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Economics_sidebar" title="Template talk:Economics sidebar"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Economics_sidebar" title="Special:EditPage/Template:Economics sidebar"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><table class="sidebar sidebar-collapse nomobile nowraplinks hlist"><tbody><tr><td class="sidebar-pretitle">Part of a series on</td></tr><tr><th class="sidebar-title-with-pretitle"><a href="/wiki/Sociology" title="Sociology">Sociology</a></th></tr><tr><td class="sidebar-image"><span class="mw-image-border" typeof="mw:File/Frameless"><a href="/wiki/File:Social_Network_Diagram_(segment).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Social_Network_Diagram_%28segment%29.svg/250px-Social_Network_Diagram_%28segment%29.svg.png" decoding="async" width="250" height="97" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Social_Network_Diagram_%28segment%29.svg/375px-Social_Network_Diagram_%28segment%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Social_Network_Diagram_%28segment%29.svg/500px-Social_Network_Diagram_%28segment%29.svg.png 2x" data-file-width="670" data-file-height="260" /></a></span></td></tr><tr><td class="sidebar-above" style="padding-bottom:0.35em;"> <ul><li><a href="/wiki/History_of_sociology" title="History of sociology">History</a></li> <li><a href="/wiki/Outline_of_sociology" title="Outline of sociology">Outline</a></li> <li><a href="/wiki/Index_of_sociology_articles" title="Index of sociology articles">Index</a></li></ul></td></tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)">Key themes</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Society" title="Society">Society</a></li> <li><a href="/wiki/Globalization" title="Globalization">Globalization</a></li> <li><a href="/wiki/Human_behavior" title="Human behavior">Human behavior</a></li> <li><a href="/wiki/Human_impact_on_the_environment" title="Human impact on the environment">Human environmental impact</a></li> <li><a href="/wiki/Identity_(social_science)" title="Identity (social science)">Identity</a></li> <li>Industrial revolutions <a href="/wiki/Digital_Revolution" class="mw-redirect" title="Digital Revolution">3</a> / <a href="/wiki/Fourth_Industrial_Revolution" title="Fourth Industrial Revolution">4</a> / <a href="/wiki/Fifth_Industrial_Revolution" class="mw-redirect" title="Fifth Industrial Revolution">5</a></li> <li><a href="/wiki/Popularity" title="Popularity">Popularity</a></li> <li><a href="/wiki/Social_complexity" title="Social complexity">Social complexity</a></li> <li><a href="/wiki/Social_environment" title="Social environment">Social environment</a></li> <li><a href="/wiki/Social_equality" title="Social equality">Social equality</a></li> <li><a href="/wiki/Social_equity" title="Social equity">Social equity</a></li> <li><a href="/wiki/Power_(social_and_political)" title="Power (social and political)">Social power</a></li> <li><a href="/wiki/Social_stratification" title="Social stratification">Social stratification</a></li> <li><a href="/wiki/Social_structure" title="Social structure">Social structure</a></li> <li><a href="/wiki/Social_cycle_theory" title="Social cycle theory">Social cycle theory</a></li></ul> </div></div></td> </tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)"><a href="/wiki/Sociological_theory" title="Sociological theory">Perspectives</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Conflict_theories" title="Conflict theories">Conflict theory</a></li> <li><a href="/wiki/Critical_theory" title="Critical theory">Critical theory</a></li> <li><a href="/wiki/Structural_functionalism" title="Structural functionalism">Structural functionalism</a></li> <li><a href="/wiki/Positivism" title="Positivism">Positivism</a></li> <li><a href="/wiki/Social_constructionism" title="Social constructionism">Social constructionism</a></li> <li><a href="/wiki/Social_darwinism" class="mw-redirect" title="Social darwinism">Social darwinism</a></li> <li><a href="/wiki/Symbolic_interactionism" title="Symbolic interactionism">Symbolic interactionism</a></li></ul> </div></div></td> </tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)"><a href="/wiki/Branches_of_sociology" class="mw-redirect" title="Branches of sociology">Branches</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Gerontology" title="Gerontology">Aging</a></li> <li><a href="/wiki/Sociology_of_architecture" title="Sociology of architecture">Architecture</a></li> <li><a href="/wiki/Sociology_of_art" title="Sociology of art">Art</a></li> <li><a href="/wiki/Astrosociology" title="Astrosociology">Astrosociology</a></li> <li><a href="/wiki/Sociology_of_the_body" title="Sociology of the body">Body</a></li> <li><a href="/wiki/Criminology" title="Criminology">Criminology</a></li> <li><a href="/wiki/Sociology_of_human_consciousness" title="Sociology of human consciousness">Consciousness</a></li> <li><a href="/wiki/Sociology_of_culture" title="Sociology of culture">Culture</a></li> <li><a href="/wiki/Sociology_of_death" title="Sociology of death">Death</a></li> <li><a href="/wiki/Demography" title="Demography">Demography</a></li> <li><a href="/wiki/Deviance_(sociology)" title="Deviance (sociology)">Deviance</a></li> <li><a href="/wiki/Sociology_of_disaster" title="Sociology of disaster">Disaster</a></li> <li><a href="/wiki/Economic_sociology" title="Economic sociology">Economic</a></li> <li><a href="/wiki/Sociology_of_education" title="Sociology of education">Education</a></li> <li><a href="/wiki/Sociology_of_emotions" title="Sociology of emotions">Emotion</a> (<a href="/wiki/Social_aspects_of_jealousy" title="Social aspects of jealousy">Jealousy</a>)</li> <li><a href="/wiki/Environmental_sociology" title="Environmental sociology">Environmental</a></li> <li><a href="/wiki/Sociology_of_the_family" title="Sociology of the family">Family</a></li> <li><a href="/wiki/Feminist_sociology" title="Feminist sociology">Feminist</a></li> <li><a href="/wiki/Fiscal_sociology" title="Fiscal sociology">Fiscal</a></li> <li><a href="/wiki/Sociology_of_food" title="Sociology of food">Food</a></li> <li><a href="/wiki/Sociology_of_gender" title="Sociology of gender">Gender</a></li> <li><a href="/wiki/Theory_of_generations" title="Theory of generations">Generations</a></li> <li><a href="/wiki/Sociology_of_health_and_illness" title="Sociology of health and illness">Health</a></li> <li><a href="/wiki/Historical_sociology" title="Historical sociology">Historical</a></li> <li><a href="/wiki/Sociology_of_immigration" title="Sociology of immigration">Immigration</a></li> <li><a href="/wiki/Industrial_sociology" title="Industrial sociology">Industrial</a></li> <li><a href="/wiki/Sociology_of_the_Internet" title="Sociology of the Internet">Internet</a></li> <li><a href="/wiki/Sociology_of_Jewry" title="Sociology of Jewry">Jewry</a></li> <li><a href="/wiki/Sociology_of_knowledge" title="Sociology of knowledge">Knowledge</a></li> <li><a href="/wiki/Sociology_of_language" title="Sociology of language">Language</a></li> <li><a href="/wiki/Sociology_of_law" title="Sociology of law">Law</a></li> <li><a href="/wiki/Sociology_of_leisure" title="Sociology of leisure">Leisure</a></li> <li><a href="/wiki/Sociology_of_literature" title="Sociology of literature">Literature</a></li> <li><a href="/wiki/Marxist_sociology" title="Marxist sociology">Marxist</a></li> <li><a href="/wiki/Mathematical_sociology" title="Mathematical sociology">Mathematic</a></li> <li><a href="/wiki/Medical_sociology" title="Medical sociology">Medical</a></li> <li><a href="/wiki/Military_sociology" title="Military sociology">Military</a></li> <li><a href="/wiki/Sociomusicology" title="Sociomusicology">Music</a></li> <li><a href="/wiki/Sociology_of_peace,_war,_and_social_conflict" title="Sociology of peace, war, and social conflict">Peace, war, and social conflict</a></li> <li><a href="/wiki/Sociology_of_philosophy" title="Sociology of philosophy">Philosophy</a></li> <li><a href="/wiki/Political_sociology" title="Political sociology">Political</a></li> <li><a href="/wiki/Public_sociology" title="Public sociology">Public</a></li> <li><a href="/wiki/Sociology_of_punishment" title="Sociology of punishment">Punishment</a></li> <li><a href="/wiki/Sociology_of_race_and_ethnic_relations" title="Sociology of race and ethnic relations">Race and ethnicity</a></li> <li><a href="/wiki/Sociology_of_religion" title="Sociology of religion">Religion</a></li> <li><a href="/wiki/Rural_sociology" title="Rural sociology">Rural</a></li> <li><a href="/wiki/Sociology_of_scientific_knowledge" title="Sociology of scientific knowledge">Science</a> (<a href="/wiki/Sociology_of_the_history_of_science" title="Sociology of the history of science">History of science</a>)</li> <li><a href="/wiki/Social_movement_theory" title="Social movement theory">Social movements</a></li> <li><a href="/wiki/Social_psychology_(sociology)" title="Social psychology (sociology)">Social psychology</a></li> <li><a href="/wiki/Sociocybernetics" title="Sociocybernetics">Sociocybernetics</a></li> <li><a href="/wiki/Sociology_of_sociology" title="Sociology of sociology">Sociology</a></li> <li><a href="/wiki/Sociology_of_space" title="Sociology of space">Space</a></li> <li><a href="/wiki/Sociology_of_sport" title="Sociology of sport">Sport</a></li> <li><a href="/wiki/Social_construction_of_technology" title="Social construction of technology">Technology</a></li> <li><a href="/wiki/Sociology_of_terrorism" title="Sociology of terrorism">Terrorism</a></li> <li><a href="/wiki/Urban_sociology" title="Urban sociology">Urban</a></li> <li><a href="/wiki/Real_utopian_sociology" title="Real utopian sociology">Utopian</a></li> <li><a href="/wiki/Victimology" title="Victimology">Victimology</a></li> <li><a href="/wiki/Visual_sociology" title="Visual sociology">Visual</a></li></ul> </div></div></td> </tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)"><a href="/wiki/Social_research" title="Social research">Methods</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Quantitative_research" title="Quantitative research">Quantitative</a></li> <li><a href="/wiki/Qualitative_research" title="Qualitative research">Qualitative</a></li> <li><a href="/wiki/Comparative_historical_research" title="Comparative historical research">Comparative</a></li> <li><a href="/wiki/Computational_sociology" title="Computational sociology">Computational</a></li> <li><a href="/wiki/Ethnography" title="Ethnography">Ethnographic</a></li> <li><a href="/wiki/Conversation_analysis" title="Conversation analysis">Conversation analysis</a></li> <li><a href="/wiki/Historical_method" title="Historical method">Historical</a></li> <li><a href="/wiki/Interview_(research)" title="Interview (research)">Interview</a></li> <li><a href="/wiki/Mathematical_sociology" title="Mathematical sociology">Mathematical</a></li> <li><a href="/wiki/Social_network_analysis" title="Social network analysis">Network analysis</a></li> <li><a href="/wiki/Social_experiment" title="Social experiment">Social experiment</a></li> <li><a href="/wiki/Survey_(human_research)" title="Survey (human research)">Survey</a></li></ul> </div></div></td> </tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)"><a href="/wiki/List_of_sociologists" title="List of sociologists">Major theorists</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><b>1700s:</b> <a href="/wiki/Auguste_Comte" title="Auguste Comte">Comte</a> · <a href="/wiki/Emmanuel_Joseph_Siey%C3%A8s" title="Emmanuel Joseph Sieyès">Sieyès</a><br /></li></ul> <p><b>1800s:</b> <a href="/wiki/Harriet_Martineau" title="Harriet Martineau">Martineau</a> · <a href="/wiki/Alexis_de_Tocqueville" title="Alexis de Tocqueville">Tocqueville</a> · <a href="/wiki/Karl_Marx" title="Karl Marx">Marx</a> · <a href="/wiki/Herbert_Spencer" title="Herbert Spencer">Spencer</a> · <a href="/wiki/Gustave_Le_Bon" title="Gustave Le Bon">Le Bon</a> · <a href="/wiki/Lester_Frank_Ward" title="Lester Frank Ward">Ward</a> · <a href="/wiki/Vilfredo_Pareto" title="Vilfredo Pareto">Pareto</a> · <a href="/wiki/Ferdinand_T%C3%B6nnies" title="Ferdinand Tönnies">Tönnies</a> · <a href="/wiki/Thorstein_Veblen" title="Thorstein Veblen">Veblen</a> · <a href="/wiki/Georg_Simmel" title="Georg Simmel">Simmel</a> · <a href="/wiki/%C3%89mile_Durkheim" title="Émile Durkheim">Durkheim</a> · <a href="/wiki/Jane_Addams" title="Jane Addams">Addams</a> · <a href="/wiki/George_Herbert_Mead" title="George Herbert Mead">Mead</a> · <a href="/wiki/Max_Weber" title="Max Weber">Weber</a> · <a href="/wiki/W.E.B._Du_Bois" class="mw-redirect" title="W.E.B. Du Bois">Du Bois</a> · <a href="/wiki/Karl_Mannheim" title="Karl Mannheim">Mannheim</a> · <a href="/wiki/Norbert_Elias" title="Norbert Elias">Elias</a><br /> </p> <b>1900s:</b> <a href="/wiki/Erich_Fromm" title="Erich Fromm">Fromm</a> · <a href="/wiki/Theodor_W._Adorno" title="Theodor W. Adorno">Adorno</a> · <a href="/wiki/Arnold_Gehlen" title="Arnold Gehlen">Gehlen</a> · <a href="/wiki/Raymond_Aron" title="Raymond Aron">Aron</a> · <a href="/wiki/Robert_K._Merton" title="Robert K. Merton">Merton</a> · <a href="/wiki/Robert_Nisbet" title="Robert Nisbet">Nisbet</a> · <a href="/wiki/C._Wright_Mills" title="C. Wright Mills">Mills</a> · <a href="/wiki/Daniel_Bell" title="Daniel Bell">Bell</a> · <a href="/wiki/Helmut_Schoeck" title="Helmut Schoeck">Schoeck</a> · <a href="/wiki/Erving_Goffman" title="Erving Goffman">Goffman</a> · <a href="/wiki/Zygmunt_Bauman" title="Zygmunt Bauman">Bauman</a> · <a href="/wiki/Michel_Foucault" title="Michel Foucault">Foucault</a> · <a href="/wiki/Niklas_Luhmann" title="Niklas Luhmann">Luhmann </a> · <a href="/wiki/J%C3%BCrgen_Habermas" title="Jürgen Habermas">Habermas</a> · <a href="/wiki/Jean_Baudrillard" title="Jean Baudrillard">Baudrillard</a> · <a href="/wiki/Pierre_Bourdieu" title="Pierre Bourdieu">Bourdieu</a> · <a href="/wiki/Anthony_Giddens" title="Anthony Giddens">Giddens</a></div></div></td> </tr><tr><td class="sidebar-content" style="padding-top:0.2em;"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background:#ddddff;text-align:center;;color: var(--color-base)"><a href="/wiki/Index_of_sociology_articles" title="Index of sociology articles">Lists</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Bibliography_of_sociology" title="Bibliography of sociology">Bibliography</a></li> <li><a href="/wiki/Category:Sociological_terminology" title="Category:Sociological terminology">Terminology</a></li> <li><a href="/wiki/List_of_sociology_journals" title="List of sociology journals">Journals</a></li> <li><a href="/wiki/List_of_sociological_associations" title="List of sociological associations">Organizations</a></li> <li><a href="/wiki/List_of_sociologists" title="List of sociologists">People</a></li> <li><a href="/wiki/Timeline_of_sociology" title="Timeline of sociology">Timeline</a></li> <li><a href="/wiki/Category:Sociology_by_country" title="Category:Sociology by country">By country</a></li></ul> </div></div></td> </tr><tr><td class="sidebar-below" style="border-top:1px solid #aaa;border-bottom:1px solid #aaa;"> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Social_sciences.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/16px-Social_sciences.svg.png" decoding="async" width="16" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/24px-Social_sciences.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/42/Social_sciences.svg/32px-Social_sciences.svg.png 2x" data-file-width="139" data-file-height="122" /></a></span> </span><a href="/wiki/Portal:Society" title="Portal:Society">Society portal</a></li></ul></td></tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Sociology" title="Template:Sociology"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Sociology" title="Template talk:Sociology"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Sociology" title="Special:EditPage/Template:Sociology"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1246091330"><table class="sidebar sidebar-collapse nomobile nowraplinks plainlist"><tbody><tr><th class="sidebar-title" style="background:#ccccff;"><a href="/wiki/History_of_technology" title="History of technology">History of technology</a></th></tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">By technological eras</div><div class="sidebar-list-content mw-collapsible-content"> <dl><dt>Premodern / <a href="/wiki/Pre-industrial_society" title="Pre-industrial society">Pre-industrial</a></dt></dl> <ul><li><a href="/wiki/Prehistoric_technology" title="Prehistoric technology">Prehistoric</a></li> <li><a href="/wiki/Stone_Age" title="Stone Age">Stone Age</a> (<a href="/wiki/Lithic_technology" title="Lithic technology">lithic</a>)</li> <li><a href="/wiki/Neolithic_Revolution" title="Neolithic Revolution">First Agricultural Revolution</a></li> <li><a href="/wiki/Chalcolithic" title="Chalcolithic">Copper Age</a></li> <li><a href="/wiki/Urban_revolution" title="Urban revolution">Urban revolution</a></li> <li><a href="/wiki/Bronze_Age" title="Bronze Age">Bronze Age</a></li> <li><a href="/wiki/Iron_Age" title="Iron Age">Iron Age</a></li> <li><a href="/wiki/Ancient_technology" title="Ancient technology">Ancient</a></li></ul> <dl><dt>Modern</dt></dl> <ul><li><i><a href="/wiki/Proto-industrialization" title="Proto-industrialization">Proto-industrialization</a></i></li> <li><a href="/wiki/British_Agricultural_Revolution" title="British Agricultural Revolution">Second Agricultural Revolution</a></li> <li><a href="/wiki/Industrial_Revolution" title="Industrial Revolution">First Industrial Revolution</a></li> <li><a href="/wiki/Standardization" title="Standardization">Standardization</a></li> <li><a href="/wiki/Second_Industrial_Revolution" title="Second Industrial Revolution">Second Industrial Revolution</a></li> <li><a href="/wiki/Machine_Age" title="Machine Age">Machine Age</a></li> <li><a href="/wiki/Jet_Age" title="Jet Age">Jet Age</a></li> <li><a href="/wiki/Green_Revolution" title="Green Revolution">Third Agricultural Revolution</a></li> <li><a href="/wiki/Atomic_Age" title="Atomic Age">Atomic Age</a></li> <li><a href="/wiki/Space_Age" title="Space Age">Space Age</a></li> <li><a href="/wiki/Digital_Revolution" class="mw-redirect" title="Digital Revolution">Third Industrial Revolution</a></li> <li><a href="/wiki/Digital_transformation" title="Digital transformation">Digital transformation</a></li> <li><a href="/wiki/Information_Age" title="Information Age">Information Age</a></li> <li><a href="/wiki/Fourth_Industrial_Revolution" title="Fourth Industrial Revolution">Fourth Industrial Revolution</a></li> <li><a href="/wiki/Imagination_age" class="mw-redirect" title="Imagination age">Imagination Age</a></li></ul> <dl><dt>Future</dt></dl> <ul><li><a href="/wiki/Post-industrial_society" title="Post-industrial society">Post-industrial</a></li> <li><a href="/wiki/Technological_singularity" title="Technological singularity">Singularity</a></li> <li><a href="/wiki/Emerging_technologies" title="Emerging technologies">Emerging technologies</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">By historical regions</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/History_of_science_and_technology_in_Africa" title="History of science and technology in Africa">Ancient Africa</a></li> <li><a href="/wiki/Ancient_Egyptian_technology" title="Ancient Egyptian technology">Ancient Egypt</a></li> <li><a href="/wiki/History_of_science_and_technology_in_the_Indian_subcontinent" class="mw-redirect" title="History of science and technology in the Indian subcontinent">Indian subcontinent</a></li> <li><a href="/wiki/History_of_science_and_technology_in_China" title="History of science and technology in China">Ancient China</a></li> <li><a href="/wiki/Maya_civilization" title="Maya civilization">Maya civilization</a></li> <li><a href="/wiki/Ancient_Greek_technology" title="Ancient Greek technology">Hellenistic world</a></li> <li><a href="/wiki/Roman_technology" class="mw-redirect" title="Roman technology">Roman Empire</a></li> <li><a href="/wiki/List_of_Byzantine_inventions" title="List of Byzantine inventions">Byzantine Empire</a></li> <li><a href="/wiki/List_of_inventions_in_the_medieval_Islamic_world" title="List of inventions in the medieval Islamic world">Medieval Islamic world</a></li> <li><a href="/wiki/Arab_Agricultural_Revolution" title="Arab Agricultural Revolution">Arab Agricultural Revolution</a></li> <li><a href="/wiki/Medieval_technology" title="Medieval technology">Medieval Europe</a></li> <li><a href="/wiki/Renaissance_technology" title="Renaissance technology">Renaissance Europe</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">By type of technology</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/History_of_agriculture" title="History of agriculture">History of agriculture</a></li> <li><a href="/wiki/History_of_biotechnology" title="History of biotechnology">History of biotechnology</a></li> <li><a href="/wiki/History_of_communication" title="History of communication">History of communication</a></li> <li><a href="/wiki/History_of_computer_hardware" class="mw-redirect" title="History of computer hardware">History of computer hardware</a></li> <li><a href="/wiki/Electrical_engineering#History" title="Electrical engineering">History of electrical engineering</a></li> <li><a href="/wiki/History_of_manufacturing" class="mw-redirect" title="History of manufacturing">History of manufacturing</a></li> <li><a href="/wiki/Maritime_history" title="Maritime history">History of maritime</a></li> <li><a href="/wiki/History_of_materials_science" title="History of materials science">History of materials science</a></li> <li><a href="/wiki/History_of_measurement" title="History of measurement">History of measurement</a></li> <li><a href="/wiki/History_of_medicine" title="History of medicine">History of medicine</a></li> <li><a href="/wiki/Simple_machine" title="Simple machine">History of simple machine</a></li> <li><a href="/wiki/Nuclear_technology#History" title="Nuclear technology">History of nuclear technology</a></li> <li><a href="/wiki/History_of_transport" title="History of transport">History of transport</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)">Technology timelines</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Timeline_of_historic_inventions" title="Timeline of historic inventions">Timeline of historic inventions</a></li> <li><a href="/wiki/Technological_revolution" title="Technological revolution">Technological revolution</a></li> <li><a href="/wiki/Category:Technology_timelines" title="Category:Technology timelines">Complete list by category</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="color: var(--color-base)"><a href="/wiki/Portal:Technology" title="Portal:Technology">Article indices</a></div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Outline_of_technology" title="Outline of technology">Outline of technology</a></li> <li><a href="/wiki/Outline_of_prehistoric_technology" title="Outline of prehistoric technology">Outline of prehistoric technology</a></li></ul></div></div></td> </tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:History_of_technology_sidebar" title="Template:History of technology sidebar"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:History_of_technology_sidebar" title="Template talk:History of technology sidebar"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:History_of_technology_sidebar" title="Special:EditPage/Template:History of technology sidebar"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p>One of the major subfields of <a href="/wiki/Urban_economics" title="Urban economics">urban economics</a>, <b>economies of agglomeration</b> (or <b>agglomeration effects),</b> explains, in broad terms, how <a href="/wiki/Urban_area" title="Urban area">urban</a> agglomeration occurs in locations where cost savings can naturally arise.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> This term is most often discussed in terms of economic firm productivity. However, agglomeration effects also explain some social phenomena, such as large proportions of the population being clustered in cities and major urban centers.<sup id="cite_ref-:1_2-0" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Similar to <a href="/wiki/Economies_of_scale" title="Economies of scale">economies of scale</a>, the costs and benefits of agglomerating increase the larger the agglomerated urban cluster becomes.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:2_6-0" class="reference"><a href="#cite_note-:2-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Several prominent examples of where agglomeration has brought together firms of a specific industry are: <a href="/wiki/Silicon_Valley" title="Silicon Valley">Silicon Valley</a> and <a href="/wiki/Los_Angeles" title="Los Angeles">Los Angeles</a> being hubs of technology and entertainment, respectively, in <a href="/wiki/California" title="California">California</a>, United States along with <a href="/wiki/London" title="London">London</a>, United Kingdom, being a hub of finance.<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Economies of agglomeration have some advantages. As more firms in related <a href="/wiki/Business_cluster" title="Business cluster">fields of business</a> cluster together, their production costs tend to decline significantly (firms have multiple competing suppliers; greater specialization and <a href="/wiki/Division_of_labour" title="Division of labour">division of labor</a>). Even when competing firms in the same sector cluster, there may be advantages because the cluster attracts more suppliers and customers than a single firm could achieve alone. <a href="/wiki/City" title="City">Cities</a> form and grow to exploit economies of agglomeration. </p><p>Diseconomies of agglomeration are the opposite. For example, spatially concentrated growth in automobile-oriented fields may create problems of crowding and traffic congestion. The tension between economies and diseconomies allows cities to grow but keeps them from becoming too large. </p><p>At the foundational level, proximity—especially to other facilities and suppliers—is a driving force behind economic growth and is one explanation for why agglomeration effects are so evident in major urban centers.<sup id="cite_ref-:1_2-1" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> While the concentration of economic activity in cities has a positive effect on their development and growth, cities, in turn, help foster economic activity by accommodating population growth, driving wage increases, and facilitating technological change.<sup id="cite_ref-:3_8-0" class="reference"><a href="#cite_note-:3-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Advantages_of_agglomeration">Advantages of agglomeration</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=1" title="Edit section: Advantages of agglomeration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>When firms form clusters of economic activity, particular development strategies flow into and throughout this area of economic activity. This helps accumulate information and the flow of new and innovative ideas among firms to achieve what economists call <a href="/wiki/Returns_to_scale" title="Returns to scale">increasing returns to scale</a>. Increasing returns to scale are <i>internal</i> economies of scale for a firm and may allow for establishing more of the same firm outside the area or region. Economies of scale <i>external</i> to a firm result from spatial proximity and are called agglomeration economies of scale. Agglomeration economies can be seen as the external condition for companies and the internal condition for the region. </p><p>Increasing returns to scale, according to Beckmann, is integral to understanding why urban centers form. These increasing returns to scale "give rise to [urban systems]," capturing "the trade-off between transportation costs and economies of scale".<sup id="cite_ref-:3_8-1" class="reference"><a href="#cite_note-:3-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> Agglomeration economies exist when production is cheaper because of this clustering of economic activity. As a result of this clustering, it becomes possible to establish other businesses that may take advantage of these economies without joining any big organization. This process may help to urbanize areas as well. </p><p>Benefits arise from the spatial agglomeration of physical capital, companies, consumers, and workers:<sup id="cite_ref-SetThings_9-0" class="reference"><a href="#cite_note-SetThings-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <ul><li><i>Low transport costs:</i> Physical proximity to other firms and centers of production can minimize costs associated with transportation. While this may have been the case for many manufacturing firms in the United States, Glaeser and Gottlieb argue that reducing transportation costs is more important for firms producing services.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Moreover, other studies have shown that when negative externalities like pollution are taken into account, agglomerated city centers are more likely to be dispersed over a larger geographical area rather than be confined to a single, metropolis-like urban region.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></li> <li><i>Geographic advantages:</i> A longstanding theory in urban economic literature is that firms (and cities) are likely to agglomerate where there are natural geographic advantages, which would give these firms both comparative and cost advantages over their competitors.<sup id="cite_ref-:0_1-2" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Ellison and Glaeser argue that while this may be true for firms whose location decisions are highly sensitive to cost differences or geographic locations, such as the wine industry, they find that only 20% of geographic agglomeration effects in the United States can be explained by "natural" cost advantages.<sup id="cite_ref-:0_1-3" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li><i>Labor pooling and matching:</i> Agglomerating effects, such as an increase in population and therefore, <a href="/wiki/Human_capital" title="Human capital">human capital</a>, arguably help improve <a href="/wiki/Search_and_matching_theory_(economics)" title="Search and matching theory (economics)">matching</a> within the economy, e.g. employees with employers, suppliers with buyers, and so on.<sup id="cite_ref-:1_2-2" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Moreover, massive urban areas like cities, which contain a multitude of industries in a localized area, can help firms offset their reaction to shocks more efficiently by 'pooling' labor resources together.<sup id="cite_ref-:1_2-3" class="reference"><a href="#cite_note-:1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></li> <li><i><a href="/wiki/Knowledge_spillover" title="Knowledge spillover">Knowledge spillovers</a>:</i> the accumulation of knowledge and human capital in concentrated areas like major urban centers can contribute to the sharing of production technologies (i.e., know-how) between firms. Econometric analysis by Liang and Goetz showed that agglomeration effects account for technology-intensive industries benefiting from Jacobs-type knowledge spillovers.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Furthermore, agglomerated centres of production, like cities, also facilitate learning—that is, knowledge generation, diffusion, and accumulation—on a larger scale than smaller economic regions.<sup id="cite_ref-:2_6-1" class="reference"><a href="#cite_note-:2-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Disadvantages_of_agglomeration">Disadvantages of agglomeration</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=2" title="Edit section: Disadvantages of agglomeration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>While the existence of cities can only persist if the advantages outweigh the disadvantages, poorly planned <a href="/wiki/Urban_agglomeration" class="mw-redirect" title="Urban agglomeration">agglomerations</a> may also lead to negative externalities like traffic congestion (lack of walkability and public transport) or pollution (lack of environmental protection laws). These adverse effects can cause <a href="/wiki/Diseconomies_of_scale" title="Diseconomies of scale">diseconomies of scale</a>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Another source of agglomeration diseconomies—higher crowding and increased waiting time—can be observed in disciplines or industries that are characterized by constrained access to relevant production facilities or resources.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> As stated above, these factors are what decrease the <a href="/wiki/Pricing_power" class="mw-redirect" title="Pricing power">pricing power</a> of firms because of the many competitors in the area, as well as a shortage of labor and a lack of flexibility among firms for the laborers abound. Large cities experience these problems, and this tension between agglomeration economies and agglomeration dis-economies may contribute to the area's growth, control the growth of the area, or cause the area to experience a lack of growth. </p><p>The economies of agglomeration have also been shown to increase inequality both within urban areas and between urban and rural areas.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> The Oxford <a href="/wiki/Development_economics" title="Development economics">development economist</a> <a href="/wiki/Paul_Collier" title="Paul Collier">Paul Collier</a> proposed that the gains of agglomeration should be taxed as <a href="/wiki/Economic_rent" title="Economic rent">rents</a>, which leads to behavior-distorting <a href="/wiki/Rent-seeking" title="Rent-seeking">rent-seeking</a> (<a href="/wiki/Henry_George_theorem" title="Henry George theorem">Henry George theorem</a>). This would be ethical and efficient in that gains would be better aligned with deserts, and rent-seeking would be curbed. Collier recommended a tax calculated by combining high-income and metropolitan locations, which can then be redistributed to other cities that have been hard hit by agglomeration.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>The disadvantages of agglomerations are to be mentioned:<sup id="cite_ref-SetThings_9-1" class="reference"><a href="#cite_note-SetThings-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <ul><li><i>For the environment:</i> The high level of economic agglomeration is probably the cause of environmental pollution,<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> including air pollution, water pollution, land pollution, etc. One example is the economic agglomeration in the <a href="/wiki/Yangtze_Delta" title="Yangtze Delta">Yangtze River Delta region</a> in China. Because of the concentration of individuals and industry, the serious air pollution in the Yangtze River Delta has not only caused some extreme weather problems but has also increased some diseases.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Adjusting the city’s spatial structure can alleviate environmental problems and release environmental pressures.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> Energy consumption is another environmental problem. The agglomeration of the economy led to a rapid increase in population and industries, which caused serious energy problems.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> It also resulted in pollution and raised the demands for more advanced production technology.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup></li> <li><i>Economic:</i> Economic agglomeration can create some economic benefits but also tends to widen the disparity between rich areas and poor areas and increase interregional inequality.<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Interregional inequality cannot be prevented because it is a necessary stage during economic development. The serious inequality problem even causes issues of social instability and political uncertainty.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> Governments need to improve equality by doing activities such as investing in human capital and innovation.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> Economic agglomeration may also affect rural areas. The over-agglomeration in the city would affect agricultural production and cause unemployment problems.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></li> <li><i>For society:</i> Economic agglomeration has also caused social problems. First, the increased population has led to high land prices. To reduce the inequality problem, governments may tax the land in the agglomeration area, increasing the land price. Second, the agglomeration of the economy also creates a high demand for infrastructure. It is important to coordinate the public goods problem, find the best volume of public contribution, and prevent poor or overburdened infrastructure.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup></li> <li><i>For companies:</i> Economic agglomeration would cause fierce competitive pressure. Competition can reduce the market price, motivating companies to innovate and increase production efficiency.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> However, over-competition would hinder companies' development and innovation, and would also generate some social problems.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2024)">citation needed</span></a></i>]</sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Types_of_economies">Types of economies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=3" title="Edit section: Types of economies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Economies_of_agglomeration" title="Special:EditPage/Economies of agglomeration">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>Two types of economies are considered large-scale and have external economies of scale: <a href="/wiki/Localization_and_Urbanization_Economies" title="Localization and Urbanization Economies">localization and urbanization economies</a>. Localization economies arise from many firms in the same industry located close to each other. There are three benefits of localization economies: The first is the benefit of labor pooling, which is the accessibility that firms have to a variety of skilled laborers, which in turn provides employment opportunities for the laborers. The second benefit is the development of industries due to the increasing returns to scale in intermediate inputs for a product. The third benefit is the relative ease of communication and exchange of supplies, laborers, and innovative ideas due to the proximity among firms. </p> <div class="mw-heading mw-heading2"><h2 id="Core-periphery_model">Core-periphery model</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=4" title="Edit section: Core-periphery model"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Economies_of_agglomeration" title="Special:EditPage/Economies of agglomeration">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>While localization and urbanization economies and their benefits are crucial to sustaining agglomeration economies and cities, it is important to understand the long-term result of the function of agglomeration economies, which relates to the <a href="/wiki/Core%E2%80%93periphery_structure" title="Core–periphery structure">core-periphery</a> model. The core-periphery model features an amount of economic activity in one main area surrounded by a remote area of less dense activity. The concentration of this economic activity in one area (usually a city center) allows for the growth and expansion of activity into other and surrounding areas because of the cost-minimizing location decisions of firms within these agglomeration economies to sustain high productivity and advantages, which therefore allow them to grow outside of the city (core) and into the periphery. A small decrease in the fixed cost of production can increase the range of locations for further establishment of firms, leading to loss of concentration in the city and possibly the development of a new city outside the original city where agglomeration and increasing returns to scale existed. </p><p>If localization economies were the main factor contributing to why cities exist with the exclusion of urbanization economies, then it would make sense for each firm in the same industry to form its city. However, in a more realistic sense, cities are more complex than that, which is why the combination of localization and urbanization economies forms large cities.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (November 2024)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading2"><h2 id="Source_of_economies">Source of economies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=5" title="Edit section: Source of economies"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1251242444"><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Economies_of_agglomeration" title="Special:EditPage/Economies of agglomeration">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.</span> <span class="date-container"><i>(<span class="date">November 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>From the localization of firms, labor market pooling emerges. Large populations of skilled laborers enter the area and can exchange knowledge, ideas, and information. The more firms there are in this area, the greater the competition is to obtain workers, resulting in higher wages for the workers. However, the fewer firms there are and the more workers there are at a location the lower the wages for those workers will be. </p><p>The second contribution to localization economies is the access to specialized goods and services provided for clustering firms. This access to specialized goods and services is known as an intermediate input. It provides increasing returns on scale for each of the firms located within that area because of the proximity to available sources needed for production. If intermediate inputs are tradable, a core-periphery notion will have many firms located near each other to be closer to their required sources. If there are tradable resources and services nearby but no related industries in the same area, then in that case, there are no networking linkages, which makes it difficult for all firms in the area to obtain resources and increase production. The decreased transportation costs associated with the clustering of firms lead to an increase in the likelihood of a core-periphery pattern; the result will be that more intermediate inputs will be focused at the core and, therefore, will attract more firms in related industries. </p><p>The third source relating to localization economies is <a href="/wiki/Knowledge_spillover" title="Knowledge spillover">technological spillovers</a>. One final advantage of this source is that clustering in specific fields leads to quicker diffusion or adoption of ideas. For production to be at its maximum and for firms to sell their products, they require some feasible access to capital markets. New forms of technology can create problems and involve risk; the clustering of firms creates an advantage to reduce the uncertainty and complications involved with using new technology through information flow. The capital flow and technology industry are concentrated within specific areas, and therefore, it is to the advantage of the firm to locate near these areas. This technological impact, specifically in the communications field, will provide and dismiss the barrier between firms in the same industry located further away and nearby, leading to a greater concentration of information flow and economic production and activity. Furthermore, technological spillovers may be more beneficial to smaller cities in terms of their growth than larger cities because of the existing informational networks that already helped them form and grow. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1184024115"><div class="div-col" style="column-width: 20em;"> <ul><li><a href="/wiki/Cluster_effect" class="mw-redirect" title="Cluster effect">Cluster effect</a></li> <li><a href="/wiki/Cluster_initiative" class="mw-redirect" title="Cluster initiative">Cluster initiative</a></li> <li><a href="/wiki/Business_cluster" title="Business cluster">Business cluster</a></li> <li><a href="/wiki/Hotelling%27s_law" title="Hotelling's law">Hotelling's law</a></li> <li><a href="/wiki/Economies_of_density" title="Economies of density">Economies of density</a></li> <li><a href="/wiki/Economies_of_scale" title="Economies of scale">Economies of scale</a></li> <li><a href="/wiki/Gains_from_trade" title="Gains from trade">Gains from trade</a></li> <li><a href="/wiki/Returns_to_scale" title="Returns to scale">Returns to scale</a></li></ul></div> <div class="mw-heading mw-heading2"><h2 id="Sources">Sources</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=7" title="Edit section: Sources"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Brueckner, Jan. "Lectures in Urban Economics." 2011. The MIT Press</li> <li>O'Flaherty, Brendan. <i>City Economics.</i> Cambridge, MA; London. 2005. Harvard University Press</li> <li>Coe, Neil M., Kelly, Philip F., and Yeung, Henry W.C. <i>Economic Geography: A Contemporary Introduction.</i> Malden, MA; Oxford, UK; Victoria, Australia. 2007. Blackwell Publishing</li> <li>Bogart, William Thomas. <i>The Economics of Cities and Suburbs.</i> Upper Saddle River, New Jersey. 1998. Prentice Hall</li> <li>Strange, William C., 2008, "urban agglomeration," <i><a href="/wiki/The_New_Palgrave_Dictionary_of_Economics" title="The New Palgrave Dictionary of Economics">The New Palgrave Dictionary of Economics</a></i>, 2nd ed. <a rel="nofollow" class="external text" href="http://www.dictionaryofeconomics.com/article?id=pde2008_U000064&q=agglomeration&topicid=&result_number=1">Abstract.</a></li> <li><a href="/wiki/Anthony_Venables" title="Anthony Venables">Venables, Anthony</a>, 2008. "New Economic geography," <i>The New Palgrave Dictionary of Economics</i>, 2nd ed . <a rel="nofollow" class="external text" href="http://www.dictionaryofeconomics.com/article?id=pde2008_E000247&edition=&field=keyword&q=industrial%20organization&topicid=&result_number=13">Abstract.</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=8" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Rosenthal, Stuart S., and William C. Strange. 2020. "<a rel="nofollow" class="external text" href="https://www.aeaweb.org/articles?id=10.1257/jep.34.3.27">How Close Is Close? The Spatial Reach of Agglomeration Economies.</a>" <i>Journal of Economic Perspectives,</i> 34 (3): 27–49.</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Economies_of_agglomeration&action=edit&section=9" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:0_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:0_1-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFEllisonGlaeser1999" class="citation journal cs1">Ellison, Glenn; Glaeser, Edward L. 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href="https://api.semanticscholar.org/CorpusID:263328590">263328590</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=American+Economic+Journal%3A+Macroeconomics&rft.atitle=Industrial+Policy+and+Competition&rft.volume=7&rft.issue=4&rft.pages=%3Cspan+class%3D%22nowrap%22%3E1-%3C%2Fspan%3E32&rft.date=2015-10-01&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A263328590%23id-name%3DS2CID&rft.issn=1945-7707&rft_id=info%3Adoi%2F10.1257%2Fmac.20120103&rft.aulast=Aghion&rft.aufirst=Philippe&rft.au=Cai%2C+Jing&rft.au=Dewatripont%2C+Mathias&rft.au=Du%2C+Luosha&rft.au=Harrison%2C+Ann&rft.au=Legros%2C+Patrick&rft_id=https%3A%2F%2Fpubs.aeaweb.org%2Fdoi%2F10.1257%2Fmac.20120103&rfr_id=info%3Asid%2Fen.wikipedia.org%3AEconomies+of+agglomeration" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style 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.navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Industrial_and_technological_revolution740" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Industrial_Revolution" title="Template:Industrial Revolution"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Industrial_Revolution" title="Template talk:Industrial Revolution"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Industrial_Revolution" title="Special:EditPage/Template:Industrial Revolution"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Industrial_and_technological_revolution740" style="font-size:114%;margin:0 4em"><a href="/wiki/Industrial_Revolution" title="Industrial Revolution">Industrial</a> and <a href="/wiki/Technological_revolution" title="Technological revolution">technological</a> revolution</div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><b><a href="/wiki/Proto-industrialization" title="Proto-industrialization">Proto</a></b></li> <li><b><a href="/wiki/Industrial_Revolution" title="Industrial Revolution">First</a></b></li> <li><b><a href="/wiki/Second_Industrial_Revolution" title="Second Industrial Revolution">Second</a></b></li> <li><b><a href="/wiki/Digital_Revolution" class="mw-redirect" title="Digital Revolution">Third</a></b></li> <li><b><a href="/wiki/Fourth_Industrial_Revolution" title="Fourth Industrial Revolution">Fourth</a></b></li> <li><b><a href="/wiki/Technological_revolution#Potential_future_technological_revolutions" title="Technological revolution">Potential future</a></b></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Themes</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coal" title="Coal">Coal</a></li> <li><a href="/wiki/Coal_mining" title="Coal mining">Coal mining</a></li> <li><a href="/wiki/Coke_(fuel)" title="Coke (fuel)">Coke</a></li> <li><a href="/wiki/Cotton" title="Cotton">Cotton</a></li> <li><a href="/wiki/Industry_(manufacturing)" class="mw-redirect" title="Industry (manufacturing)">Industry/Manufacturing</a></li> <li><a href="/wiki/Invention" title="Invention">Invention</a></li> <li><a href="/wiki/Iron" title="Iron">Iron</a></li> <li><a href="/wiki/Machine" title="Machine">Machinery</a></li> <li><a href="/wiki/Metallurgy" title="Metallurgy">Metallurgy</a></li> <li><a href="/wiki/Sociology" title="Sociology">Sociology</a></li> <li><a href="/wiki/Steam_engine" title="Steam engine">Steam power</a></li> <li><a href="/wiki/Steel" title="Steel">Steel</a></li> <li><a href="/wiki/Technology" title="Technology">Technology</a></li> <li><a href="/wiki/Textile" title="Textile">Textiles</a></li> <li><a href="/wiki/Hydropower" title="Hydropower">Water power</a></li> <li><a href="/wiki/Workforce" title="Workforce">Workforce</a></li> <li><a class="mw-selflink selflink">Economies of agglomeration</a></li> <li><a href="/wiki/Economies_of_density" title="Economies of density">Economies of density</a></li> <li><a href="/wiki/Economies_of_scale" title="Economies of scale">Economies of scale</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Maquina_vapor_Watt_ETSIIM.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Maquina_vapor_Watt_ETSIIM.jpg/100px-Maquina_vapor_Watt_ETSIIM.jpg" decoding="async" width="100" height="74" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Maquina_vapor_Watt_ETSIIM.jpg/150px-Maquina_vapor_Watt_ETSIIM.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Maquina_vapor_Watt_ETSIIM.jpg/200px-Maquina_vapor_Watt_ETSIIM.jpg 2x" data-file-width="1024" data-file-height="760" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People/<br />groups</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Richard_Arkwright" title="Richard Arkwright">Richard Arkwright</a></li> <li><a href="/wiki/Thomas_Boulsover" title="Thomas Boulsover">Thomas Boulsover</a></li> <li><a href="/wiki/Matthew_Boulton" title="Matthew Boulton">Matthew Boulton</a></li> <li><a href="/wiki/James_Brindley" title="James Brindley">James Brindley</a></li> <li><a href="/wiki/Isambard_Kingdom_Brunel" title="Isambard Kingdom Brunel">Isambard Kingdom Brunel</a></li> <li><a href="/wiki/Edmund_Cartwright" title="Edmund Cartwright">Edmund Cartwright</a></li> <li><a href="/wiki/Henry_Cort_(Template)" class="mw-redirect" title="Henry Cort (Template)">Henry Cort</a></li> <li><a href="/wiki/Cranege_brothers" title="Cranege brothers">Thomas and George Cranege</a></li> <li><a href="/wiki/Samuel_Crompton" title="Samuel Crompton">Samuel Crompton</a></li> <li><a href="/wiki/Abraham_Darby_I" title="Abraham Darby I">Abraham Darby I</a></li> <li><a href="/wiki/Abraham_Darby_II" title="Abraham Darby II">Abraham Darby II</a></li> <li><a href="/wiki/Abraham_Darby_III" title="Abraham Darby III">Abraham Darby III</a></li> <li><a href="/wiki/Francis_Egerton,_3rd_Duke_of_Bridgewater" title="Francis Egerton, 3rd Duke of Bridgewater">Francis Egerton, 3rd Duke of Bridgewater</a></li> <li><a href="/wiki/William_Fairbairn" title="William Fairbairn">William Fairbairn</a></li> <li><a href="/wiki/James_Hargreaves" title="James Hargreaves">James Hargreaves</a></li> <li><a href="/wiki/Hawks_family" title="Hawks family">Hawks family</a></li> <li><a href="/wiki/Thomas_Highs" title="Thomas Highs">Thomas Highs</a></li> <li><a href="/wiki/Eaton_Hodgkinson" title="Eaton Hodgkinson">Eaton Hodgkinson</a></li> <li><a href="/wiki/Benjamin_Huntsman" title="Benjamin Huntsman">Benjamin Huntsman</a></li> <li><a href="/wiki/Joseph_Marie_Jacquard" title="Joseph Marie Jacquard">Joseph Marie Jacquard</a></li> <li><a href="/wiki/John_Kay_(flying_shuttle)" title="John Kay (flying shuttle)">John Kay (flying shuttle)</a></li> <li><a href="/wiki/John_Kay_(spinning_frame)" title="John Kay (spinning frame)">John Kay (spinning frame)</a></li> <li><a href="/wiki/Francis_Cabot_Lowell_(businessman)" class="mw-redirect" title="Francis Cabot Lowell (businessman)">Francis Cabot Lowell</a></li> <li><a href="/wiki/Lunar_Society" class="mw-redirect" title="Lunar Society">Lunar Society</a></li> <li><a href="/wiki/Thomas_Newcomen" title="Thomas Newcomen">Thomas Newcomen</a></li> <li><a href="/wiki/Robert_Owen" title="Robert Owen">Robert Owen</a></li> <li><a href="/wiki/Lewis_Paul" title="Lewis Paul">Lewis Paul</a></li> <li><a href="/wiki/William_Radcliffe" title="William Radcliffe">William Radcliffe</a></li> <li><a href="/wiki/Richard_Roberts_(engineer)" title="Richard Roberts (engineer)">Richard Roberts</a></li> <li><a href="/wiki/Thomas_Savery" title="Thomas Savery">Thomas Savery</a></li> <li><a href="/wiki/Samuel_Slater" title="Samuel Slater">Samuel Slater</a></li> <li><a href="/wiki/John_Smeaton" title="John Smeaton">John Smeaton</a></li> <li><a href="/wiki/George_Stephenson" title="George Stephenson">George Stephenson</a></li> <li><a href="/wiki/Robert_Stephenson" title="Robert Stephenson">Robert Stephenson</a></li> <li><a href="/wiki/Thomas_Telford" title="Thomas Telford">Thomas Telford</a></li> <li><a href="/wiki/Richard_Trevithick" title="Richard Trevithick">Richard Trevithick</a></li> <li><a href="/wiki/James_Watt" title="James Watt">James Watt</a></li> <li><a href="/wiki/John_Wilkinson_(industrialist)" title="John Wilkinson (industrialist)">John Wilkinson</a></li> <li><a href="/wiki/John_Wyatt_(inventor)" title="John Wyatt (inventor)">John Wyatt</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Places</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Abbeydale_Industrial_Hamlet" title="Abbeydale Industrial Hamlet">Abbeydale Industrial Hamlet</a></li> <li><a href="/wiki/Allentown,_Pennsylvania" title="Allentown, Pennsylvania">Allentown</a></li> <li><a href="/wiki/Bethlehem,_Pennsylvania" title="Bethlehem, Pennsylvania">Bethlehem</a></li> <li><a href="/wiki/Bridgewater_Canal" title="Bridgewater Canal">Bridgewater Canal</a></li> <li><a href="/wiki/Broseley" title="Broseley">Broseley</a></li> <li><a href="/wiki/Coalbrookdale" title="Coalbrookdale">Coalbrookdale</a></li> <li><a href="/wiki/Cromford" title="Cromford">Cromford</a></li> <li><a href="/wiki/Derwent_Valley_Mills" title="Derwent Valley Mills">Derwent Valley Mills</a></li> <li><a href="/wiki/Ironbridge" title="Ironbridge">Ironbridge</a></li> <li><a href="/wiki/New_Lanark" title="New Lanark">New Lanark</a></li> <li><a href="/wiki/Portsmouth_Block_Mills" title="Portsmouth Block Mills">Portsmouth Block Mills</a></li> <li><a href="/wiki/Quarry_Bank_Mill" title="Quarry Bank Mill">Quarry Bank Mill</a></li> <li><a href="/wiki/Soho_Foundry" title="Soho Foundry">Soho Foundry</a></li> <li><a href="/wiki/Stockton_and_Darlington_Railway" title="Stockton and Darlington Railway">Stockton and Darlington Railway</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Invention/<br />technology</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blast_furnace" title="Blast furnace">Blast furnace</a></li> <li><a href="/wiki/Canal" title="Canal">Canal</a></li> <li><a href="/wiki/Cotton_mill" title="Cotton mill">Cotton mill</a></li> <li><a href="/wiki/Crucible_steel" title="Crucible steel">Crucible steel</a></li> <li><a href="/wiki/Factory" title="Factory">Factory</a></li> <li><a href="/wiki/Flying_shuttle" title="Flying shuttle">Flying shuttle</a></li> <li><a href="/wiki/Newcomen_steam_engine" class="mw-redirect" title="Newcomen steam engine">Newcomen steam engine</a></li> <li><a href="/wiki/Power_loom" title="Power loom">Power loom</a></li> <li><a href="/wiki/Rail_transport" title="Rail transport">Railway</a></li> <li><a href="/wiki/Reverberatory_furnace" title="Reverberatory furnace">Reverberatory furnace</a></li> <li><a href="/wiki/Sheffield_plate" class="mw-redirect" title="Sheffield plate">Sheffield plate</a></li> <li><a href="/wiki/Spinning_frame" title="Spinning frame">Spinning frame</a></li> <li><a href="/wiki/Spinning_jenny" title="Spinning jenny">Spinning jenny</a></li> <li><a href="/wiki/Steam_engine" title="Steam engine">Steam engine</a></li> <li><a href="/wiki/Stephenson%27s_Rocket" title="Stephenson's Rocket">Stephenson's Rocket</a></li> <li><a href="/wiki/Water_frame" title="Water frame">Water frame</a></li> <li><a href="/wiki/Watt_steam_engine" title="Watt steam engine">Watt steam engine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Social impact</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bourgeoisie" title="Bourgeoisie">Bourgeoisie</a></li> <li><a href="/wiki/Child_labour" title="Child labour">Child labour</a></li> <li><a href="/wiki/History_of_the_cooperative_movement" title="History of the cooperative movement">History of the cooperative Movement</a></li> <li><a href="/wiki/Cottage_industry" class="mw-redirect" title="Cottage industry">Cottage industry</a></li> <li><a href="/wiki/Factory_Acts" title="Factory Acts">Factory Acts</a></li> <li><a href="/wiki/Great_Divergence" title="Great Divergence">Great Divergence</a></li> <li><a href="/wiki/Industrial_unrest" class="mw-redirect" title="Industrial unrest">Industrial unrest</a></li> <li><a href="/wiki/Luddite" title="Luddite">Luddite</a></li> <li><a href="/wiki/Proletariat" title="Proletariat">Proletariat</a></li> <li><a href="/wiki/Rochdale_Pioneers" class="mw-redirect" title="Rochdale Pioneers">Rochdale Pioneers</a></li> <li><a href="/wiki/Urbanization" title="Urbanization">Urbanization</a></li> <li><a href="/wiki/Industrial_warfare" title="Industrial warfare">Industrial warfare</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Reference</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/History_of_technology" title="History of technology">History of technology</a></li> <li><a href="/wiki/History_of_the_British_canal_system" title="History of the British canal system">History of the British canal system</a></li> <li><a href="/wiki/Industrial_archaeology" title="Industrial archaeology">Industrial archaeology</a></li> <li><a href="/wiki/List_of_United_Kingdom-related_topics" class="mw-redirect" title="List of United Kingdom-related topics">List of United Kingdom-related topics</a></li> <li><a href="/wiki/Timeline_of_clothing_and_textiles_technology" title="Timeline of clothing and textiles technology">Timeline of clothing and textiles technology</a></li> <li><a href="/wiki/Timeline_of_historic_inventions" title="Timeline of historic inventions">Timeline of invention</a></li> <li><a href="/wiki/Timeline_of_materials_technology" title="Timeline of materials technology">Timeline of materials technology</a></li> <li><a href="/wiki/Timeline_of_steam_power" title="Timeline of steam power">Timeline of steam power</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Industrial_Revolution" title="Category:Industrial 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