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A Model Of Market-Enhancing Infrastructure

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  • Aghion, Philippe
  • Schankerman, Mark

Abstract

This paper develops a framework for evaluating the social returns to infrastructure investments that intensify product market competition. We use a circular model with asymmetric production costs both for incumbent firms and potential entrants, where unit transport cost measures the intensity of competition (quality of infrastructure). The static and dynamic welfare effects of infrastructure investment that lowers unit transport cost are analysed, focusing on market selection among asymmetric firms, restructuring, and entry. We show how these welfare effects depend on the initial level of market development, as measured by the distribution of costs in the economy, the number of incumbent firms, the degree of market competition, and restructuring and entry costs. The model generates an endogenous demand for infrastructure investment, and the possibility of a low infrastructure trap that arises from cost heterogeneity rather than from any kind of non-convexities. We simulate the relative welfare effects of reducing transport, restructuring and entry costs, and we evaluate in each case the fraction of social returns which traditional cost-benefit analysis would fail to capture.

Suggested Citation

  • Aghion, Philippe & Schankerman, Mark, 2000. "A Model Of Market-Enhancing Infrastructure," CEPR Discussion Papers 2462, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:2462
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    Citations

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    Cited by:

    1. Funke, Michael & Strulik, Holger, 2005. "Growth and convergence in a two-region model: The hypothetical case of Korean unification," Journal of Asian Economics, Elsevier, vol. 16(2), pages 255-279, April.
    2. Lee, Chang-Yang, 2009. "Competition favors the prepared firm: Firms' R&D responses to competitive market pressure," Research Policy, Elsevier, vol. 38(5), pages 861-870, June.
    3. Brown, J David & Earle, John S, 2001. "Competition Enhancing Policies and Infrastructure: Evidence from Russia," CEPR Discussion Papers 3022, C.E.P.R. Discussion Papers.
    4. Nagy, András, 2001. "Az intézmények átalakulása és a fejlett gazdaságok utolérése
      [The transformation of institutions and catching up with the developed economies]
      ," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(11), pages 920-949.
    5. Bihong HUANG & Feng DING, 2009. "Spillover Effect Of Infrastructure And Regional Gap In China," Applied Econometrics and International Development, Euro-American Association of Economic Development, vol. 9(2).
    6. Li, Zhigang & Chen, Yu, 2013. "Estimating the social return to transport infrastructure: A price-difference approach applied to a quasi-experiment," Journal of Comparative Economics, Elsevier, vol. 41(3), pages 669-683.

    More about this item

    Keywords

    Competition; Cost-Benefit Analysis; Entry; Heterogeneity; Infrastructure; Market Selection; Restructuring;

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • O12 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Microeconomic Analyses of Economic Development
    • P20 - Economic Systems - - Socialist Systems and Transition Economies - - - General

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