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Two-Speed Evolution of Strategies and Preferences in Symmetric Games

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  • Possajennikov, Alex

    ()
    (Sonderforschungsbereich 504)

Abstract

Agenst in a large population are randomly matched to play a material payoff game. They may have preferences that are different from the material payoffs. Agents learn equilibrium strategies according to their preferences before evolution changes the preference distribution in the population according to fitness. When agents know the preferences of the opponent in a match, only efficient symmetric strategy profiles of the material payoff game can be stable. When agents do not know the preferences of the opponent, only Nash equilibria of the material payoff game can be stable. For 2x2 symmetric games I characterize preferences that are stable.

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Bibliographic Info

Paper provided by Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim in its series Sonderforschungsbereich 504 Publications with number 02-03.

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Length: 32 pages
Date of creation: 28 Jan 2002
Date of revision:
Handle: RePEc:xrs:sfbmaa:02-03

Note: Financial support from the Deutsche Forschungsgemeinschaft, SFB 504, at the University of Mannheim, is gratefully acknowledged.
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  1. Possajennikov, Alex, 2002. "Cooperative Prisoners and Aggressive Chickens: Evolution of Strategies and Preferences in 2x2 Games," Sonderforschungsbereich 504 Publications, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim 02-04, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.
  2. Possajennikov, Alex, 2000. "On the evolutionary stability of altruistic and spiteful preferences," Journal of Economic Behavior & Organization, Elsevier, vol. 42(1), pages 125-129, May.
  3. Bolle, Friedel, 2000. "Is altruism evolutionarily stable? And envy and malevolence?: Remarks on Bester and Guth," Journal of Economic Behavior & Organization, Elsevier, vol. 42(1), pages 131-133, May.
  4. Werner Güth & Hartmut Kliemt & Bezalel Peleg, 2000. "Co-evolution of Preferences and Information in Simple Games of Trust," German Economic Review, Verein für Socialpolitik, Verein für Socialpolitik, vol. 1(1), pages 83-110, 02.
  5. Kliemt, Hartmut, 2001. "Rationality and Reality," Kyklos, Wiley Blackwell, vol. 54(2-3), pages 309-16.
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Cited by:
  1. Burkhard C. Schipper, 2005. "The Evolutionary Stability of Optimism, Pessimism and Complete Ignorance," Bonn Econ Discussion Papers, University of Bonn, Germany bgse35_2005, University of Bonn, Germany.
  2. Possajennikov, Alex, 2002. "Cooperative Prisoners and Aggressive Chickens: Evolution of Strategies and Preferences in 2x2 Games," Sonderforschungsbereich 504 Publications, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim 02-04, Sonderforschungsbereich 504, Universität Mannheim;Sonderforschungsbereich 504, University of Mannheim.

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