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Unmediated communication in repeated games with imperfect monitoring

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  • Urbano, A.
  • Vila, J. E.

Abstract

We show that any correlated equilibrium payoff of two-player repeated games with imperfect monitoring and without discounting can be reached as the Nash equilibrium payoff of the game extended by a universal mechanism of unmediated communication. This result holds regardless the particular concept of equlibrium involved (upper, lower, Banach or uniform equlibrium). The communication mechanism is built up by using commutative one-way functions. These functions are designed with the help of cryptographic tools.
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  • Urbano, A. & Vila, J. E., 2004. "Unmediated communication in repeated games with imperfect monitoring," Games and Economic Behavior, Elsevier, vol. 46(1), pages 143-173, January.
  • Handle: RePEc:eee:gamebe:v:46:y:2004:i:1:p:143-173
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    Cited by:

    1. John Hillas & Min Liu, 2016. "Correlated equilibria of two person repeated games with random signals," International Journal of Game Theory, Springer;Game Theory Society, vol. 45(1), pages 137-153, March.
    2. Indrajit Ray, 2002. "Multiple Equilibrium Problem and Non-Canonical Correlation Devices," Working Papers 2002-24, Brown University, Department of Economics.
    3. repec:spr:jogath:v:46:y:2017:i:4:d:10.1007_s00182-017-0569-7 is not listed on IDEAS
    4. O. Gossner, 2000. "Sharing a long secret in a few public words," THEMA Working Papers 2000-15, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
    5. GOSSNER, Olivier, 1998. "Repeated games played by cryptographically sophisticated players," CORE Discussion Papers 1998035, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).

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