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Signaling, Globality, and the Intuitive Criterion

Author

Listed:
  • Christian Ewerhart
  • Philipp Wichardt

Abstract

A global signaling game is a sender-receiver game in which the sender is only imperfectly informed about the receiver's preferences. The paper considers an economically relevant class of signaling games that possess more than one Perfect Bayesian equilibrium. For this class of games, it is shown that a Perfect Bayesian equilibrium is unaffected by a small perturbation of the information structure if and only if it is consistent with a criterion suggested by Cho and Kreps (1987). Moreover, the equilibrium in the global signaling game is essentially unique.

Suggested Citation

  • Christian Ewerhart & Philipp Wichardt, "undated". "Signaling, Globality, and the Intuitive Criterion," IEW - Working Papers 189, Institute for Empirical Research in Economics - University of Zurich.
    • Handle: RePEc:zur:iewwpx:189
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    File URL: https://www.zora.uzh.ch/id/eprint/52085/1/iewwp189.pdf
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    References listed on IDEAS

    as
    1. Fudenberg, Drew & Tirole, Jean, 1991. "Perfect Bayesian equilibrium and sequential equilibrium," Journal of Economic Theory, Elsevier, vol. 53(2), pages 236-260, April.
    2. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September.
    3. Kohlberg, Elon & Mertens, Jean-Francois, 1986. "On the Strategic Stability of Equilibria," Econometrica, Econometric Society, vol. 54(5), pages 1003-1037, September.
    4. Banks, Jeffrey S & Sobel, Joel, 1987. "Equilibrium Selection in Signaling Games," Econometrica, Econometric Society, vol. 55(3), pages 647-661, May.
    5. Carlsson, Hans & Dasgupta, Sudipto, 1997. "Noise-Proof Equilibria in Two-Action Signaling Games," Journal of Economic Theory, Elsevier, vol. 77(2), pages 432-460, December.
    6. Battigalli, Pierpaolo & Siniscalchi, Marciano, 2002. "Strong Belief and Forward Induction Reasoning," Journal of Economic Theory, Elsevier, vol. 106(2), pages 356-391, October.
    7. Michael Spence, 1973. "Job Market Signaling," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 87(3), pages 355-374.
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    Citations

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    Cited by:

    1. Bruno S. Frey & Simon Luechinger & Alois Stutzer, 2007. "Calculating Tragedy: Assessing The Costs Of Terrorism," Journal of Economic Surveys, Wiley Blackwell, vol. 21(1), pages 1-24, February.
    2. Bruno Frey, 2005. "‘‘Just forget it.’’ Memory distortions as bounded rationality," Mind & Society: Cognitive Studies in Economics and Social Sciences, Springer;Fondazione Rosselli, vol. 4(1), pages 13-25, June.
    3. Philipp C. Wichardt, "undated". "An Application of Global Games to Signalling Models," IEW - Working Papers 223, Institute for Empirical Research in Economics - University of Zurich.

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    More about this item

    Keywords

    Global Games; Signaling; Intuitive Criterion;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games

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