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Heterogeneous transport costs and spatial sorting in a model of New Economic Geography


  • Corey Lang


Transportation costs are of central importance in the New Economic Geography literature, though assumptions about transportation costs continue to be simplistic. This paper begins to address these simplifications by assuming that transportation costs for manufactured goods are heterogeneous. Basic results are consistent with standard models showing dispersion of economic activity for high transport costs and eventual agglomeration as transport costs decline. However, several novel features arise too. Many unstable, dispersed equilibria exist for high average transport costs, but converge to a stable equilibrium path as transport costs decrease. Equilibrium paths smoothly transition from dispersion to agglomeration and do so at an increasing rate. Additionally, transport costs directly influence firms' location decisions and firms spatially sort by transport cost. Copyright (c) 2009 the author(s). Journal compilation (c) 2009 RSAI.

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  • Corey Lang, 2010. "Heterogeneous transport costs and spatial sorting in a model of New Economic Geography," Papers in Regional Science, Wiley Blackwell, vol. 89(1), pages 191-202, March.
  • Handle: RePEc:bla:presci:v:89:y:2010:i:1:p:191-202

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    References listed on IDEAS

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    Cited by:

    1. Mark D. Partridge, 2010. "The duelling models: NEG vs amenity migration in explaining US engines of growth," Papers in Regional Science, Wiley Blackwell, vol. 89(3), pages 513-536, August.

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