Incomplete Information, Incentive Compatibility and the Core

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Incomplete Information, Incentive Compatibility and the Core

Author Info

Rajiv Vohra

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Rajiv Vohra

Abstract

We consider an exchange economy in which agents possess private information at the time of engaging in state contingent contracts. While com-munication of private information is permitted, the true information state is not verifiable. The enforcement of contracts is, therefore, limited by incentive com-patibility constraints. We formalize a notion of the core for such an economy. Our analysis can be viewed as an attempt to incorporate incentive compatibility in Wilson's [1978] coarse core, or as an attempt to introduce coalitional contracts in the Holmstrom-Myerson [1983] notion of incentive efficiency. While there are some special cases in which the incentive compatible core is non-empty, our main result shows that this is not generally true.

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Paper provided by Brown University, Department of Economics in its series Working Papers with number 97-11.

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Length: 30 pages
Date of creation: 1997
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Handle: RePEc:bro:econwp:97-11

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Postal: Department of Economics, Brown University, Providence, RI 02912

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Article
- Vohra, Rajiv, 1999. "Incomplete Information, Incentive Compatibility, and the Core," Journal of Economic Theory, Elsevier, vol. 86(1), pages 123-147, May. [Downloadable!] (restricted)

Find related papers by JEL classification:
C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies

Cited by:
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Oscar Volij & Darin Lee, 1997. "The Core of Economies with Asymmetric Information: An Axiomatic Approach," Game Theory and Information 9706002, EconWPA. [Downloadable!]
Other versions:
- Darin Lee & Oscar Volij, 1997. "The Core of Economies with Asymmetric Information: An Axiomatic Approach," Economic theory and game theory 005, Oscar Volij. [Downloadable!]
- Volij, Oscar & Lee, Darin, 2002. "The Core of Economies with Asymmetric Information: An Axiomatic Approach," Staff General Research Papers 5193, Iowa State University, Department of Economics.
- Lee, Darin & Volij, Oscar, 2002. "The core of economies with asymmetric information: an axiomatic approach," Journal of Mathematical Economics, Elsevier, vol. 38(1-2), pages 43-63, September. [Downloadable!] (restricted)
Francoise Forges & Jean-Francois Mertens & Rajiv Vohra, 2001. "The Ex Ante Incentive Compatible Core in the absence of wealth effects," Working Papers 2001-01, Brown University, Department of Economics. [Downloadable!]
Other versions:
- FORGES, Franoise & MERTENS, Jean-Franois & VOHRA, Rajiv, 2001. "The ex ante incentive compatible core in the absence of wealth effects," CORE Discussion Papers 2001001, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
- Francoise Forges & Jean-Francois Mertens & Rajiv Vohra, 2002. "The Ex Ante Incentive Compatible Core in the Absence of Wealth Effects," Econometrica, Econometric Society, vol. 70(5), pages 1865-1892, September. [Downloadable!] (restricted)
Roberto Serrano & Rajiv Vohra, 2005. "Information Transmission in Coalitional Voting Games," Economics Working Papers 0050, Institute for Advanced Study, School of Social Science. [Downloadable!]
Other versions:
- Roberto Serrano & Rajiv Vohra, 2005. "Information Transmission In Coalitional Voting Games," Economics Working Papers we055726, Universidad Carlos III, Departamento de Economía. [Downloadable!]
- Rajiv Vohra & Roberto Serrano, 2004. "Information Transmission in Coalitional Voting Games," Econometric Society 2004 North American Summer Meetings 519, Econometric Society.
- Roberto Serrano & Rajiv Vohra, 2005. "Information Transmission in Coalitional Voting Games," Working Papers 2005-01, Brown University, Department of Economics. [Downloadable!]
- Serrano, Roberto & Vohra, Rajiv, 2007. "Information transmission in coalitional voting games," Journal of Economic Theory, Elsevier, vol. 134(1), pages 117-137, May. [Downloadable!] (restricted)
Yusuke Kamishiro & Roberto Serrano, 2008. "Information transmission and core convergence in quasilinear economies," Working Papers 2008-01, Instituto Madrileño de Estudios Avanzados (IMDEA) Ciencias Sociales. [Downloadable!]
Other versions:
- Yusuke Kamishiro & Roberto Serrano, 2008. "Information Transmission and Core Convergence in Quasilinear Economies," Working Papers 2008-5, Brown University, Department of Economics. [Downloadable!]
Rajiv Vohra & Bhaskar Dutta, 2003. "Incomplete Information, Credibility and the Core," Working Papers 2003-21, Brown University, Department of Economics. [Downloadable!]
Other versions:
- Bhaskar Dutta & Rajiv Vohra, 2001. "Incomplete Information, Credibility and the Core," Working Papers 2001-02, Brown University, Department of Economics. [Downloadable!]
- Dutta, Bhaskar & Vohra, Rajiv, 2005. "Incomplete information, credibility and the core," Mathematical Social Sciences, Elsevier, vol. 50(2), pages 148-165, September. [Downloadable!] (restricted)
Francoise Forges, 2006. "The Ex Ante Incentive Compatible Core in Exchange Economies with and without Indivisibilities," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]
EINY, Ezra & HAIMANKO, Ori & ORZACH, Ram & SELA, Aner, 2001. "Dominance solvability of second-price auctions with differential information," CORE Discussion Papers 2001007, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
Francoise Forges & Enrico Minelli & Rajiv Vohra, 2000. "Incentives and the Core of an Exchange Economy: A Survey," Working Papers 2000-22, Brown University, Department of Economics. [Downloadable!]
Other versions:
- FORGES, Franoise & MINELLI, Enrico & VOHRA, Rajiv, 2001. "Incentives and the core of an exchange economy: a survey," CORE Discussion Papers 2001043, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
- Forges, Francoise & Minelli, Enrico & Vohra, Rajiv, 2002. "Incentives and the core of an exchange economy: a survey," Journal of Mathematical Economics, Elsevier, vol. 38(1-2), pages 1-41, September. [Downloadable!] (restricted)
Richard McLean & Andrew Postlewaite, 2003. "Core Convergence with Asymmetric Information," PIER Working Paper Archive 03-027, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania. [Downloadable!]
Other versions:
- McLean, Richard & Postlewaite, Andrew, 2005. "Core convergence with asymmetric information," Games and Economic Behavior, Elsevier, vol. 50(1), pages 58-78, January. [Downloadable!] (restricted)
S. D. Flåm. & L. Koutsougeras, 2007. "Private information, transferable utility,and the core," The School of Economics Discussion Paper Series 0703, Economics, The University of Manchester. [Downloadable!]
Other versions:
- S D Flåm & L Koutsougeras, 2005. "Private Information, Transferable Utility, and the Core," The School of Economics Discussion Paper Series 0512, Economics, The University of Manchester. [Downloadable!]
Tatsuro Ichiishi & Semih Koray, 1999. "Job Matching: A Multi-Principal, Multi-Agent Model," Working Papers 99-14, Ohio State University, Department of Economics. [Downloadable!]
Oscar Volij, 1997. "Communication, Credible Improvements and the Core of an Economy with Asymmetric Information," Game Theory and Information 9711001, EconWPA. [Downloadable!]

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