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Cooperative Prisoners and Aggressive Chickens: Evolution of Strategies and Preferences in 2x2 Games

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Author Info
Possajennikov, Alex () (Sonderforschungsbereich 504)

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Abstract

By means of simulations I investigate a two-speed dynamic on strategies and preferences in the prisoners' dilemma and in the chicken game. Players learn strategies according to their preferences while evolution leads to a change in preference composition. With complete information cooperation in the prisoners' dilemma is often achieved, with 'reciprocal' preferences. In the chicken game a symmetric correlated strategy profile is played that is as efficient as the symmetric equilibrium. Among preferences only pure 'hawkish' preferences and 'selfish' preferences survive. With incomplete information, the symmetric equilibrium of the material payoff game is played. All types of preferences are present in the population in the medium run.

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Paper provided by Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim in its series Sonderforschungsbereich 504 Publications with number 02-04.

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Length: 23 pages
Date of creation: 29 Jan 2002
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Handle: RePEc:xrs:sfbmaa:02-04

Note: Financial support from the Deutsche Forschungsgemeinschaft, SFB 504, at the University of Mannheim, is gratefully acknowledged.
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This paper has been announced in the following NEP Reports: References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Ely, Jeffrey C. & Yilankaya, Okan, 2001. "Nash Equilibrium and the Evolution of Preferences," Journal of Economic Theory, Elsevier, vol. 97(2), pages 255-272, April. [Downloadable!] (restricted)
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  2. Robson, A.J., 1989. "Efficiency In Evolutionary Games: Darwin, Nash And Secret Handshake," Papers 89-22, Michigan - Center for Research on Economic & Social Theory.
  3. 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. [Downloadable!] (restricted)
  4. Dekel, Eddie & Ely, Jeffrey & Yilankaya, Okan, 2004. "Evolution of Preferences," Micro Theory Working Papers dekel-04-08-13-01-21-07, Microeconomics.ca Website, revised 09 Jun 2006. [Downloadable!]
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  5. Possajennikov, Alex, 2002. "Two-Speed Evolution of Strategies and Preferences in Symmetric Games," Sonderforschungsbereich 504 Publications 02-03, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim. [Downloadable!]
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  6. Bester, Helmut & Guth, Werner, 1998. "Is altruism evolutionarily stable?," Journal of Economic Behavior & Organization, Elsevier, vol. 34(2), pages 193-209, February. [Downloadable!] (restricted)
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  1. Friedman, Daniel & Singh, Nirvikar, 2007. "Equilibrium Vengeance," MPRA Paper 4321, University Library of Munich, Germany. [Downloadable!]
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  2. Possajennikov, Alex, 2002. "Two-Speed Evolution of Strategies and Preferences in Symmetric Games," Sonderforschungsbereich 504 Publications 02-03, Sonderforschungsbereich 504, Universität Mannheim & Sonderforschungsbereich 504, University of Mannheim. [Downloadable!]
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