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Justifiability of Bayesian Implementation in Oligopolistic Markets

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Author Info
Koray, Semih
Saglam, Ismail

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Abstract

We show that in oligopolistic markets the social choice correspondence which selects all socially efficient outcomes is Nash implementable if the number of firms is at least two. Thus, monopoly regulation whenever consumers are favored by the designer or the society is the only framework, among all oligopolistic regulatory models, where Bayesian approach is indispensable.

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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 4459.

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Date of creation: 1997
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Handle: RePEc:pra:mprapa:4459

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Related research
Keywords: Bayesian Implementation Nash Implementation Asymmetric Information Oligopoly Regulation.

Find related papers by JEL classification:
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information
D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General
L50 - Industrial Organization - - Regulation and Industrial Policy - - - General

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  1. Palfrey, Thomas R & Srivastava, Sanjay, 1989. "Implementation with Incomplete Information in Exchange Economies," Econometrica, Econometric Society, vol. 57(1), pages 115-34, January. [Downloadable!] (restricted)
  2. Postlewaite, Andrew & Schmeidler, David, 1986. "Implementation in differential information economies," Journal of Economic Theory, Elsevier, vol. 39(1), pages 14-33, June. [Downloadable!] (restricted)
  3. Harsanyi, John C, 1995. "Games with Incomplete Information," American Economic Review, American Economic Association, vol. 85(3), pages 291-303, June.
  4. Moore, John & Repullo, Rafael, 1990. "Nash Implementation: A Full Characterization," Econometrica, Econometric Society, vol. 58(5), pages 1083-99, September. [Downloadable!] (restricted)
  5. Koray, Semih & Sertel, Murat R., 1990. "Pretend-but-perform regulation and limit pricing," European Journal of Political Economy, Elsevier, vol. 6(4), pages 451-472. [Downloadable!] (restricted)
  6. Myerson, Roger B, 1979. "Incentive Compatibility and the Bargaining Problem," Econometrica, Econometric Society, vol. 47(1), pages 61-73, January. [Downloadable!] (restricted)
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  7. Satterthwaite, Mark Allen, 1975. "Strategy-proofness and Arrow's conditions: Existence and correspondence theorems for voting procedures and social welfare functions," Journal of Economic Theory, Elsevier, vol. 10(2), pages 187-217, April. [Downloadable!] (restricted)
  8. Laffont, Jean-Jacques, 1994. "The New Economics of Regulation Ten Years After," Econometrica, Econometric Society, vol. 62(3), pages 507-37, May. [Downloadable!] (restricted)
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  9. Palfrey, Thomas R & Srivastava, Sanjay, 1987. "On Bayesian Implementable Allocations," Review of Economic Studies, Blackwell Publishing, vol. 54(2), pages 193-208, April. [Downloadable!] (restricted)
  10. Saijo, Tatsuyoshi, 1988. "Strategy Space Reduction in Maskin's Theorem: Sufficient Conditions for Nash Implementation," Econometrica, Econometric Society, vol. 56(3), pages 693-700, May. [Downloadable!] (restricted)
  11. Vogelsang, Ingo, 1988. "A Little Paradox in the Design of Regulatory Mechanisms," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 29(3), pages 467-76, August. [Downloadable!] (restricted)
  12. Koray, Semih & Saglam, Ismail, 2005. "Learning in Bayesian Regulation," MPRA Paper 1899, University Library of Munich, Germany. [Downloadable!]
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This page was last updated on 2008-11-17.

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