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Evidential equilibria in static games

  • Sanjit Dhami


  • ali al-Nowaihi


Under uncertainty about what others will do, evidence suggests that people often use evidential reasoning (ER), i.e., they assign diagnostic significance to their own actions in forming beliefs about the actions of others. ER successfully explains the evidence from many important games. We provide a formal theoretical framework for discussing ER by proposing evidential games and the relevant solution concept evidential equilibrium (EE). We derive the relation between a Nash equilibrium and an EE. We apply EE to several common games including the prisoners’ dilemma and oligopoly games.

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Paper provided by Department of Economics, University of Leicester in its series Discussion Papers in Economics with number 12/15.

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Date of creation: Jul 2012
Date of revision:
Handle: RePEc:lec:leecon:12/15
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  7. Robert J Aumann, 1999. "Agreeing to Disagree," Levine's Working Paper Archive 512, David K. Levine.
  8. Ronald Fagin & Joseph Y. Halpern & Yoram Moses & Moshe Y. Vardi, 2003. "Reasoning About Knowledge," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262562006, June.
  9. Donja Darai & Silvia Grätz, 2010. "Determinants of Successful Cooperation in a Face-to-Face Social Dilemma," SOI - Working Papers 1006, Socioeconomic Institute - University of Zurich, revised Nov 2010.
  10. Rassenti, Stephen & Reynolds, Stanley S. & Smith, Vernon L. & Szidarovszky, Ferenc, 2000. "Adaptation and convergence of behavior in repeated experimental Cournot games," Journal of Economic Behavior & Organization, Elsevier, vol. 41(2), pages 117-146, February.
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