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A Spatial Knowledge Economy

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  • Donald R. Davis
  • Jonathan I. Dingel

Abstract

Leading empiricists and theorists of cities have recently argued that the generation and exchange of ideas must play a more central role in the analysis of cities. This paper develops the first system of cities model with costly idea exchange as the agglomeration force. Our model replicates a broad set of established facts about the cross section of cities. It provides the first spatial equilibrium theory of why skill premia are higher in larger cities, how variation in these premia emerges from symmetric fundamentals, and why skilled workers have higher migration rates than unskilled workers when both are fully mobile.

Suggested Citation

  • Donald R. Davis & Jonathan I. Dingel, 2012. "A Spatial Knowledge Economy," NBER Working Papers 18188, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:18188
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    References listed on IDEAS

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    1. Charlot, Sylvie & Duranton, Gilles, 2004. "Communication externalities in cities," Journal of Urban Economics, Elsevier, vol. 56(3), pages 581-613, November.
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    4. Berliant, Marcus & Reed III, Robert R. & Wang, Ping, 2006. "Knowledge exchange, matching, and agglomeration," Journal of Urban Economics, Elsevier, vol. 60(1), pages 69-95, July.
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    6. Edward L. Glaeser & Joshua D. Gottlieb, 2009. "The Wealth of Cities: Agglomeration Economies and Spatial Equilibrium in the United States," Journal of Economic Literature, American Economic Association, vol. 47(4), pages 983-1028, December.
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    More about this item

    JEL classification:

    • F1 - International Economics - - Trade
    • F22 - International Economics - - International Factor Movements and International Business - - - International Migration
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J61 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Geographic Labor Mobility; Immigrant Workers
    • R1 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics

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