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Unmediated communication with partially verifiable types

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  • Wagner, P.Achim

Abstract

This paper studies unmediated communication with partially verifiable types in N-player games of incomplete information. I show that with five or more players, all outcomes that are feasible with the help of a mediator can also be achieved with direct communication between players if verifiable information can be encrypted. Without encryption, the set of equilibrium outcomes attainable with direct communication is generally strictly smaller than the set of mediated equilibrium outcomes, independent of the number of players in the game.

Suggested Citation

  • Wagner, P.Achim, 2011. "Unmediated communication with partially verifiable types," Journal of Mathematical Economics, Elsevier, vol. 47(1), pages 99-107, January.
    • Handle: RePEc:eee:mateco:v:47:y:2011:i:1:p:99-107
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    References listed on IDEAS

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    1. Forges, Francoise, 1990. "Universal Mechanisms," Econometrica, Econometric Society, vol. 58(6), pages 1341-1364, November.
    2. Robert J. Aumann & Sergiu Hart, 2003. "Long Cheap Talk," Econometrica, Econometric Society, vol. 71(6), pages 1619-1660, November.
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    7. Gerardi, Dino, 2004. "Unmediated communication in games with complete and incomplete information," Journal of Economic Theory, Elsevier, vol. 114(1), pages 104-131, January.
    8. Forges, Francoise & Koessler, Frederic, 2005. "Communication equilibria with partially verifiable types," Journal of Mathematical Economics, Elsevier, vol. 41(7), pages 793-811, November.
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    10. Vijay Krishna, R., 2007. "Communication in games of incomplete information: Two players," Journal of Economic Theory, Elsevier, vol. 132(1), pages 584-592, January.
    11. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-1451, November.
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