A spatial network approach to urban configurations

A spatial network approach to urban configurations

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Article ID: iaor2012700
Volume: 45
Issue: 1
Start Page Number: 314
End Page Number: 344
Publication Date: Feb 2012
Journal: Canadian Journal of Economics/Revue canadienne d'conomique
Authors: ,
Keywords: networks
Abstract:

We propose a spatial network approach to studying urban configurations by modelling explicitly knowledge transmission, aggregation and spillovers via links formed, as well as by allowing the population and the locality role (‘core’ versus ‘periphery’) in each location to be endogenously determined in equilibrium. We establish conditions for the commonly assumed monocentric configuration to arise as the unique and efficient equilibrium outcome. We also illustrate under what circumstances a spatial equilibrium may feature multicentric, urban-rural, or multiple (disconnected) urban areas and under what conditions each configuration is socially efficient. We further characterize the spatial equilibrium by performing various comparative statics.

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