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A Model Of Market-Enhancing Infrastructure

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  • Aghion, Philippe
  • Schankerman, Mark
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    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.

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    Bibliographic Info

    Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 2462.

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    Date of creation: May 2000
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    Handle: RePEc:cpr:ceprdp:2462

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    Related research

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

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    Cited by:
    1. 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.
    2. 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.
    3. Michael Funke & Holger Strulik, 2005. "Growth and Convergence in a Two-Region Model: The Hypothetical Case of Korean Unification," Quantitative Macroeconomics Working Papers 20505, Hamburg University, Department of Economics.
    4. 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).
    5. 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.

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