Working Paper
Congestion, Agglomeration, and the Structure of Cities
Abstract: Supersede WP 13-25. Congestion costs in urban areas are significant and clearly represent a negative externality. Nonetheless, economists also recognize the production advantages of urban density in the form of positive agglomeration externalities. The long-run equilibrium outcomes in economies with multiple correlated but o setting externalities have yet to be fully explored in the literature. Therefore, I develop a spatial equilibrium model of urban structure that includes both congestion costs and agglomeration externalities. I then estimate the structural parameters of the model using a computational algorithm to match the spatial distribution of employment, population, land use, land rents, and commute times in the data. Policy simulations based on the estimates suggest that congestion pricing may have ambiguous consequences for economic welfare.
Keywords: Congestion; Agglomeration; Externalities; Spatial Equilibrium; Urban Structure; Estimation;
JEL Classification: C51; D62; R13; R40;
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Bibliographic Information
Provider: Federal Reserve Bank of Philadelphia
Part of Series: Working Papers
Publication Date: 2016-05-10
Number: 16-13
Pages: 54 pages