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Regulatory design under asymmetric information about demand

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  • 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.

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Bibliographic Info

Paper provided by Universidade do Porto, Faculdade de Economia do Porto in its series CEF.UP Working Papers with number 0802.

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Length: 20 pages
Date of creation: May 2008
Date of revision:
Handle: RePEc:por:cetedp:0802

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Keywords: asymmetric information; entry regulation; signalling; adverse selection;

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  1. 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.
  2. Milgrom, Paul & Roberts, John, 1982. "Limit Pricing and Entry under Incomplete Information: An Equilibrium Analysis," Econometrica, Econometric Society, vol. 50(2), pages 443-59, March.
  3. Simeon Djankov & Rafael La Porta & Florencio LopezdeSilanes & Andrei Shleifer, 2000. "The Regulation of Entry," NBER Working Papers 7892, National Bureau of Economic Research, Inc.
  4. 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.
  5. 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.
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