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Market Size Matters

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  • Jeffrey R. Campbell
  • Hugo A. Hopenhayn

Abstract

This paper characterizes the effects of market size on the size distribution of establishments for thirteen retail trade industries across 225 U.S. cities. In nearly every industry we examine, establishments are larger in larger cities, and in four industries the dispersion of establishment sizes depends on market size. Models of competition in which individual producers' markups do not depend on the number of producers are inconsistent with these observations. Models in which competition is tougher in larger markets can reproduce the positive effect of market size on establishments' average size.

Suggested Citation

  • Jeffrey R. Campbell & Hugo A. Hopenhayn, 2002. "Market Size Matters," NBER Working Papers 9113, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:9113
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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