This article provides a general overview of spatial economics, which covers location theory, spatial competition, and regional and urban economics. After a brief review of the main theoretical traditions, the fundamental role of non-convexities and imperfect competition is highlighted. The main challenges faced by theoretical and empirical research are also discussed, followed by a broader discussion of the relationship between this field of research and other sub-fields of economics and other disciplines.
KeywordsAlonso, W. Debreu, G. Economic geography Hecksher–Ohlin trade theory Hotelling, H. Krugman, P. New economic geography Non-convexity Ricardo, D. Spatial economics Spatial impossibility theorem Systems of cities Thünen, J. von Urban agglomeration Weber, A.
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