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On the belief (in-)dependence of sequential equilibria

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  • Carlsson, Hans
  • Wichardt, Philipp C.

Abstract

In this paper, we demonstrate that the existence of sequential equilibria may depend on the players holding beliefs which are tailored to the respective equilibrium but otherwise difficult to justify. We also discuss potential remedies.

Suggested Citation

  • Carlsson, Hans & Wichardt, Philipp C., 2012. "On the belief (in-)dependence of sequential equilibria," Economics Letters, Elsevier, vol. 115(3), pages 504-507.
    • Handle: RePEc:eee:ecolet:v:115:y:2012:i:3:p:504-507
    DOI: 10.1016/j.econlet.2011.12.129
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    References listed on IDEAS

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    1. Johannes Hörner & Stefano Lovo, 2009. "Belief-Free Equilibria in Games With Incomplete Information," Econometrica, Econometric Society, vol. 77(2), pages 453-487, March.
    2. Fudenberg, Drew & Tirole, Jean, 1991. "Perfect Bayesian equilibrium and sequential equilibrium," Journal of Economic Theory, Elsevier, vol. 53(2), pages 236-260, April.
    3. Kreps, David M & Wilson, Robert, 1982. "Sequential Equilibria," Econometrica, Econometric Society, vol. 50(4), pages 863-894, July.
    4. Basu, Kaushik & Weibull, Jorgen W., 1991. "Strategy subsets closed under rational behavior," Economics Letters, Elsevier, vol. 36(2), pages 141-146, June.
    5. Vincent P. Crawford & Nagore Iriberri, 2007. "Level-k Auctions: Can a Nonequilibrium Model of Strategic Thinking Explain the Winner's Curse and Overbidding in Private-Value Auctions?," Econometrica, Econometric Society, vol. 75(6), pages 1721-1770, November.
    6. In-Koo Cho & David M. Kreps, 1987. "Signaling Games and Stable Equilibria," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 102(2), pages 179-221.
    7. Nagel, Rosemarie, 1995. "Unraveling in Guessing Games: An Experimental Study," American Economic Review, American Economic Association, vol. 85(5), pages 1313-1326, December.
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    Cited by:

    1. Hans Carlsson & Philipp Christoph Wichardt, 2019. "Strict Incentives and Strategic Uncertainty," CESifo Working Paper Series 7715, CESifo.

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    More about this item

    Keywords

    Beliefs; Sequential equilibrium; Existence;
    All these keywords.

    JEL classification:

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

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