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Price regulation in oligopoly

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  • Corchón Díaz, Luis Carlos
  • Marcos, Félix

Abstract

In this paper we consider price regulation in oligopolistic markets when firms are quantity setters. We consider a market for a homogeneous good with a special form of the demand function (ρ-linearity), constant returns to scale and identical firms. Marginal costs can take two values only: low or high. The regulator knows all parameters except marginal costs. Assuming that the regulator is risk neutral, we characterize the optimal policy and show how this policy depends on the basic parameter of demand and costs

Suggested Citation

  • Corchón Díaz, Luis Carlos & Marcos, Félix, 2010. "Price regulation in oligopoly," UC3M Working papers. Economics we100101, Universidad Carlos III de Madrid. Departamento de Economía.
  • Handle: RePEc:cte:werepe:we100101
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    References listed on IDEAS

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    1. Robert Earle & Karl Schmedders & Tymon Tatur, 2007. "On Price Caps Under Uncertainty," Review of Economic Studies, Oxford University Press, vol. 74(1), pages 93-111.
    2. Natalia Fabra & Nils‐Henrik M von der Fehr & María‐Ángeles de Frutos, 2011. "Market Design and Investment Incentives," Economic Journal, Royal Economic Society, vol. 121(557), pages 1340-1360, December.
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    4. Anderson, Simon P. & Renault, Regis, 2003. "Efficiency and surplus bounds in Cournot competition," Journal of Economic Theory, Elsevier, vol. 113(2), pages 253-264, December.
    5. Armstrong, Mark & Sappington, David E.M., 2007. "Recent Developments in the Theory of Regulation," Handbook of Industrial Organization, Elsevier.
    6. McHardy, J.P., 2000. "Miscalculations of Monopoly and Oligopoly Welfare Losses with Linear Demand," Papers 274, Universite de Nantes - Economie Internationale et de l'Entreprise.
    7. Loeb, Martin & Magat, Wesley A, 1979. "A Decentralized Method for Utility Regulation," Journal of Law and Economics, University of Chicago Press, vol. 22(2), pages 399-404, October.
    8. Mark Armstrong & Simon Cowan & John Vickers, 1994. "Regulatory Reform: Economic Analysis and British Experience," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262510790, January.
    9. Kim, Jae-Cheol & Chang, Ki-Bok, 1993. "An Optimal Tax/Subsidy for Output and Pollution Control under Asymmetric Information in Oligopoly Markets," Journal of Regulatory Economics, Springer, vol. 5(2), pages 183-197, June.
    10. Schwermer, Sylvia, 1994. "Regulating Oligopolistic Industries: A Generalized Incentive Scheme," Journal of Regulatory Economics, Springer, vol. 6(1), pages 97-108, February.
    11. Lee, Sang-Ho, 1997. "A Note on Regulating Oligopolistic Industries: A Hierarchical Model," Journal of Regulatory Economics, Springer, vol. 12(1), pages 91-97, July.
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