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- Unmediated Communication In Repeated Games With Imperfect Monitoring

Author

Listed:
  • José E. Vila

    (Universitat de València)

  • Amparo Urbano

    (Universitat de València)

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.

Suggested Citation

  • José E. Vila & Amparo Urbano, 1998. "- Unmediated Communication In Repeated Games With Imperfect Monitoring," Working Papers. Serie AD 1998-27, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
    • Handle: RePEc:ivi:wpasad:1998-27
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    File URL: http://www.ivie.es/downloads/docs/wpasad/wpasad-1998-27.pdf
    File Function: Fisrt version / Primera version, 1998
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    Cited by:

    1. Halpern, Joseph Y. & Pass, Rafael & Seeman, Lior, 2019. "The truth behind the myth of the Folk theorem," Games and Economic Behavior, Elsevier, vol. 117(C), pages 479-498.
    2. Indrajit Ray, 2002. "Multiple Equilibrium Problem and Non-Canonical Correlation Devices," Working Papers 2002-24, Brown University, Department of Economics.
    3. Heng Liu, 2017. "Correlation and unmediated cheap talk in repeated games with imperfect monitoring," International Journal of Game Theory, Springer;Game Theory Society, vol. 46(4), pages 1037-1069, November.
    4. O. Gossner, 2000. "Sharing a long secret in a few public words," Thema Working Papers 2000-15, THEMA (Théorie Economique, Modélisation et Applications), CY Cergy-Paris University, ESSEC and CNRS.
    5. GOSSNER, Olivier, 1998. "Repeated games played by cryptographically sophisticated players," LIDAM Discussion Papers CORE 1998035, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).

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