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Contemporaneous perfect Epsilon-equilibria

Author

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  • Mailath,G.J.
  • Postlewaite,A.
  • Samuelson,L.

    (University of Wisconsin-Madison, Social Systems Research Institute)

Abstract

We examine contemporaneous perfect epsilon-equilibria, in which a player’s actions after every history, evaluated at the point of deviation from the equilibrium, must be within epsilon of a best response. This concept implies, but is stronger than, Radner’s ex ante perfect epsilon-equilibrium. A strategy profile is a contemporaneous perfect epsilon-equilibrium of a game if it is a subgame perfect equilibrium in a perturbed game with nearly the same payoffs, with the converse holding for pure equilibria.
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Suggested Citation

  • Mailath,G.J. & Postlewaite,A. & Samuelson,L., 2002. "Contemporaneous perfect Epsilon-equilibria," Working papers 5, Wisconsin Madison - Social Systems.
    • Handle: RePEc:att:wimass:20025
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    File URL: http://www.ssc.wisc.edu/~larrysam/papers/epsilon.pdf
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    References listed on IDEAS

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    Cited by:

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    3. Jackson, Matthew O. & Rodriguez-Barraquer, Tomas & Tan, Xu, 2012. "Epsilon-equilibria of perturbed games," Games and Economic Behavior, Elsevier, vol. 75(1), pages 198-216.
    4. Santiago R. Balseiro & Omar Besbes & Gabriel Y. Weintraub, 2019. "Dynamic Mechanism Design with Budget-Constrained Buyers Under Limited Commitment," Operations Research, INFORMS, vol. 67(3), pages 711-730, May.
    5. Schlag, Karl H. & Zapechelnyuk, Andriy, 2017. "Dynamic benchmark targeting," Journal of Economic Theory, Elsevier, vol. 169(C), pages 145-169.
    6. Felix Kubler & Karl Schmedders, 2003. "Approximate Versus Exact Equilibria," Discussion Papers 1382, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
    7. Elena Parilina & Georges Zaccour, 2016. "Strategic Support of Node-Consistent Cooperative Outcomes in Dynamic Games Played Over Event Trees," International Game Theory Review (IGTR), World Scientific Publishing Co. Pte. Ltd., vol. 18(02), pages 1-16, June.
    8. Martin, Simon & Schlag, Karl, 2017. "Finite Horizon Holdup and How to Cross the River," VfS Annual Conference 2017 (Vienna): Alternative Structures for Money and Banking 168136, Verein für Socialpolitik / German Economic Association.
    9. Karl Schlag & Andriy Zapechelnyuk, 2009. "Decision Making in Uncertain and Changing Environments," Discussion Papers 19, Kyiv School of Economics.
    10. Martin, Simon & Schlag, Karl, 2017. "Finite Horizon Holdup and How to Cross the River," VfS Annual Conference 2017 (Vienna): Alternative Structures for Money and Banking 168136, Verein für Socialpolitik / German Economic Association.
    11. Parilina, Elena M. & Zaccour, Georges, 2022. "Payment schemes for sustaining cooperation in dynamic games," Journal of Economic Dynamics and Control, Elsevier, vol. 139(C).
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    More about this item

    JEL classification:

    • C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games

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