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A note on the incentive compatible core

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  • FORGES, Françoise
  • MINELLI, Enrico

Abstract

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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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. Edward C Prescott & Robert M Townsend, 1997. "General Competitive Analysis in an Economy with Private Information," Levine's Working Paper Archive 1578, David K. Levine.
  2. 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).
  3. Guangsug Hahn & Nicholas C. Yannelis, 1997. "Efficiency and incentive compatibility in differential information economies," Economic Theory, Springer, vol. 10(3), pages 383-411.
  4. Myerson, Roger B, 1979. "Incentive Compatibility and the Bargaining Problem," Econometrica, Econometric Society, vol. 47(1), pages 61-73, January.
  5. Wilson, Robert B, 1978. "Information, Efficiency, and the Core of an Economy," Econometrica, Econometric Society, vol. 46(4), pages 807-16, July.
  6. Rajiv Vohra, 1997. "Incomplete Information, Incentive Compatibility and the Core," Working Papers 97-11, Brown University, Department of Economics.
  7. 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.
  8. Ichiishi, Tatsuro & Idzik, Adam, 1996. "Bayesian Cooperative Choice of Strategies," International Journal of Game Theory, Springer, vol. 25(4), pages 455-73.
  9. Yannelis, Nicholas C, 1991. "The Core of an Economy with Differential Information," Economic Theory, Springer, vol. 1(2), pages 183-97, April.
  10. 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.
  11. Bengt Holmstrom & Roger B. Myerson, 1981. "Efficient and Durable Decision Rules with Incomplete Information," Discussion Papers 495, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  12. Oscar Volij, 2000. "Communication, credible improvements and the core of an economy with asymmetric information," International Journal of Game Theory, Springer, vol. 29(1), pages 63-79.
  13. Postlewaite, Andrew & Schmeidler, David, 1986. "Implementation in differential information economies," Journal of Economic Theory, Elsevier, vol. 39(1), pages 14-33, June.
  14. 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.
  15. Forges, F., 1998. "Le coeur d'une economie d'echange en information asymetrique," Papers 9829, Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor..
  16. repec:fth:louvco:0101 is not listed on IDEAS
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