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Information Transmission In Coalitional Voting Games

  • Roberto Serrano


  • Rajiv Vohra


A core allocation of a complete information economy can be characterized as one that would not be unanimously rejected in favor of another feasible alternative by any coalition. We use this test of coalitional voting in an incomplete information environment to formalize a notion of resilience. Since information transmission is implicit in the Bayesian equilibria of such voting games, this approach makes it possible to derive core concepts in which the transmission of information among members of a coalition is endogenous. Our results lend support to the credible core of Dutta and Vohra [4] and the core proposed by Myerson [11] as two that can be justified in terms of coalitional voting

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Paper provided by Universidad Carlos III, Departamento de Economía in its series Economics Working Papers with number we055726.

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Date of creation: Oct 2005
Date of revision:
Handle: RePEc:cte:werepe:we055726
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  1. Holmstrom, Bengt & Myerson, Roger B, 1983. "Efficient and Durable Decision Rules with Incomplete Information," Econometrica, Econometric Society, vol. 51(6), pages 1799-819, November.
  2. Myerson, Roger B, 1983. "Mechanism Design by an Informed Principal," Econometrica, Econometric Society, vol. 51(6), pages 1767-97, November.
  3. Qin Cheng-Zhong, 1993. "The Inner Core and the Strictly Inhibitive Set," Journal of Economic Theory, Elsevier, vol. 59(1), pages 96-106, February.
  4. Maskin, Eric & Tirole, Jean, 1992. "The Principal-Agent Relationship with an Informed Principal, II: Common Values," Econometrica, Econometric Society, vol. 60(1), pages 1-42, January.
  5. Geoffroy de Clippel, 2004. "The Type-Agent Core for Exchange Economies with Asymmetric Information," Working Papers 2004-18, Brown University, Department of Economics.
  6. Dutta, Bhaskar & Vohra, Rajiv, 2005. "Incomplete information, credibility and the core," Mathematical Social Sciences, Elsevier, vol. 50(2), pages 148-165, September.
  7. Roger Myerson, 2004. "Virtual utility and the core for games with incomplete information," Econometric Society 2004 North American Summer Meetings 659, Econometric Society.
  8. DE CLIPPEL, Geoffroy & MINELLI, Enrico, . "Two remarks on the inner core," CORE Discussion Papers RP 1763, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  9. Cramton, Peter C. & Palfrey, Thomas R., 1990. "Ratifiable Mechanisms: Learning from Disagreement," Working Papers 731, California Institute of Technology, Division of the Humanities and Social Sciences.
  10. Volij, Oscar & Lee, Darin, 2000. "The Core of Economies with Asymmetric Information: An Axiomatic Approach," Staff General Research Papers 5193, Iowa State University, Department of Economics.
  11. Vohra, Rajiv, 1999. "Incomplete Information, Incentive Compatibility, and the Core," Journal of Economic Theory, Elsevier, vol. 86(1), pages 123-147, May.
  12. Forges, Françoise & Mertens, Jean-François & Vohra, Rajiv, 2002. "The ex ante incentive compatible core in the absence of wealth effects," Economics Papers from University Paris Dauphine 123456789/5454, Paris Dauphine University.
  13. Roberto Serrano & Rajiv Vohra, 1997. "Non-cooperative implementation of the core," Social Choice and Welfare, Springer, vol. 14(4), pages 513-525.
  14. 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.
  15. 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.
  16. Perry, Motty & Reny, Philip J, 1994. "A Noncooperative View of Coalition Formation and the Core," Econometrica, Econometric Society, vol. 62(4), pages 795-817, July.
  17. Wilson, Robert B, 1978. "Information, Efficiency, and the Core of an Economy," Econometrica, Econometric Society, vol. 46(4), pages 807-16, July.
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