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Regulatory design under asymmetric information about demand

Author

Listed:
  • Paula Sarmento

    (CETE and Faculty of Economics, University of Porto)

  • António Brandão

    (CETE and Faculty of Economics, University of Porto)

Abstract

In this paper we compare the costs of two regulatory policies about the entry of new firms. We consider an incumbent firm that has more information about the market demand than the regulator. Then, the incumbent firm can use this advantage to persuade the regulator to make entry more difficult. With the first regulatory policy the regulator uses the incumbent price pre-regulation to get information about the demand. With the second regulatory policy the regulator design a mechanism to motivate the incumbent firm to price truthfully. We conclude that, for enough high values of the probability of low demand, the welfare is higher with the second (more active) regulatory policy.

Suggested Citation

  • Paula Sarmento & António Brandão, 2008. "Regulatory design under asymmetric information about demand," CEF.UP Working Papers 0802, Universidade do Porto, Faculdade de Economia do Porto.
    • Handle: RePEc:por:cetedp:0802
    as

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    References listed on IDEAS

    as
    1. C.C. von Weizsaker, 1980. "A Welfare Analysis of Barriers to Entry," Bell Journal of Economics, The RAND Corporation, vol. 11(2), pages 399-420, Autumn.
    2. Milgrom, Paul & Roberts, John, 1982. "Limit Pricing and Entry under Incomplete Information: An Equilibrium Analysis," Econometrica, Econometric Society, vol. 50(2), pages 443-459, March.
    3. Simeon Djankov & Rafael La Porta & Florencio Lopez-de-Silanes & Andrei Shleifer, 2002. "The Regulation of Entry," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 117(1), pages 1-37.
    4. Paula Sarmento, 2003. "Entry Regulation under Asymmetric Information about Demand: A Signalling Model Approach," CEF.UP Working Papers 0304, Universidade do Porto, Faculdade de Economia do Porto.
    5. De Fraja, Gianni, 1997. "Pricing and entry in regulated industries: The role of regulatory design," Journal of Public Economics, Elsevier, vol. 64(2), pages 259-278, May.
    Full references (including those not matched with items on IDEAS)

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    Keywords

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    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation

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