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A note on the incentive compatible core

  • FORGES, Françoise
  • MINELLI, Enrico

We identify particular exchange economies with asymmetric information in which the ex ante incentive compatible core is nonempty provided that coalitions can allocate goods by means of random mechanisms. Both the use of random mechanisms and the restriction to a specific class of economies are crucial for the result. Indeed, the ex ante incentive compatible core can be empty (i) in our class of economies if coalitions can only use deterministic mechanisms and (ii) outside this class, even if random mechanisms are allowed.

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File URL: http://dx.doi.org/10.1006/jeth.2000.2759
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Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers RP with number -1523.

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Handle: RePEc:cor:louvrp:-1523
Note: In : Journal of Economic Theory, 98, 179-188, 2001
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  1. 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.
  2. Oscar Volij, 1998. "Communication, Credible Improvements and the Core of an Economy with Asymmetric Information," Economic theory and game theory 006, Oscar Volij, revised 15 Sep 1999.
  3. Myerson, Roger B, 1979. "Incentive Compatibility and the Bargaining Problem," Econometrica, Econometric Society, vol. 47(1), pages 61-73, January.
  4. Ichiishi, Tatsuro & Idzik, Adam, 1996. "Bayesian Cooperative Choice of Strategies," International Journal of Game Theory, Springer, vol. 25(4), pages 455-73.
  5. Wilson, Robert B, 1978. "Information, Efficiency, and the Core of an Economy," Econometrica, Econometric Society, vol. 46(4), pages 807-16, July.
  6. ALLEN, Beth, 1992. "Incentives in market games with asymmetric information: The core," CORE Discussion Papers 1992021, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  7. Prescott, Edward C & Townsend, Robert M, 1984. "General Competitive Analysis in an Economy with Private Information," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 25(1), pages 1-20, February.
  8. Holmstrom, Bengt & Myerson, Roger B, 1983. "Efficient and Durable Decision Rules with Incomplete Information," Econometrica, Econometric Society, vol. 51(6), pages 1799-819, November.
  9. Postlewaite, Andrew & Schmeidler, David, 1986. "Implementation in differential information economies," Journal of Economic Theory, Elsevier, vol. 39(1), pages 14-33, June.
  10. Rajiv Vohra, 1997. "Incomplete Information, Incentive Compatibility and the Core," Working Papers 97-11, Brown University, Department of Economics.
  11. Allen, Beth, 1993. "4. Market Games with Asymmetric Information : Verification and the Publicly Predictable Information Core," Hitotsubashi Journal of Economics, Hitotsubashi University, vol. 34(Special I), pages 101-122, December.
  12. Yannelis, Nicholas C, 1991. "The Core of an Economy with Differential Information," Economic Theory, Springer, vol. 1(2), pages 183-97, April.
  13. Koutsougeras, Leonidas C & Yannelis, Nicholas C, 1993. "Incentive Compatibility and Information Superiority of the Core of an Economy with Differential Information," Economic Theory, Springer, vol. 3(2), pages 195-216, April.
  14. F. Forges, 1998. "Le cœur d'une économie d'échange en information asymétrique," THEMA Working Papers 98-29, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
  15. Guangsug Hahn & Nicholas C. Yannelis, 1997. "Efficiency and incentive compatibility in differential information economies," Economic Theory, Springer, vol. 10(3), pages 383-411.
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