Cities in Space: Three Simple Models

21 Pages Posted: 31 May 2001 Last revised: 15 Feb 2002

See all articles by Paul R. Krugman

Paul R. Krugman

Princeton University - Woodrow Wilson School of Public and International Affairs; Centre for Economic Policy Research (CEPR); National Bureau of Economic Research (NBER)

Date Written: January 1991

Abstract

Urban agglomerations arise at least in part out of the interaction between economies of scale in production and market size effects. This paper develops a simple spatial framework to develop illustrative models of the determinants of urban location, of the number and size of cities, and of the degree of urbanization. A Central theme is the probable existence of multiple equilibria, and the dependence of the range of potential outcomes on a few key parameters.

Suggested Citation

Krugman, Paul R., Cities in Space: Three Simple Models (January 1991). NBER Working Paper No. w3607. Available at SSRN: https://ssrn.com/abstract=268196

Paul R. Krugman (Contact Author)

Princeton University - Woodrow Wilson School of Public and International Affairs ( email )

Princeton University
Princeton, NJ 08544-1021
United States
609-258-4570 (Phone)
609-258-2809 (Fax)

Centre for Economic Policy Research (CEPR)

London
United Kingdom

National Bureau of Economic Research (NBER)

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Cambridge, MA 02138
United States

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