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An Experiment on Prisoner’s Dilemma with Confirmed Proposals

Author

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  • Attanasi, Giuseppe
  • Garcia-Gallego, Aurora
  • Georgantzis, Nikolaos
  • Montesano, Aldo

Abstract

We apply an alternating proposals protocol with a confirmation stage as a way of solving a Prisoner’s Dilemma game. We interpret players’ proposals and (no) confirmation of outcomes of the game as a tacit communication device. The protocol leads to unprecedented high levels of cooperation in the laboratory. Assigning the power of confirmation to one of the two players alone, rather than alternating the role of a leader significantly increases the probability of signing a cooperative agreement in the first bargaining period. We interpret pre-agreement strategies as tacit messages on players’ willingness to cooperate and on their beliefs about the others’ type.

Suggested Citation

  • Attanasi, Giuseppe & Garcia-Gallego, Aurora & Georgantzis, Nikolaos & Montesano, Aldo, 2011. "An Experiment on Prisoner’s Dilemma with Confirmed Proposals," LERNA Working Papers 11.23.357, LERNA, University of Toulouse.
  • Handle: RePEc:ler:wpaper:25432
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    File URL: http://www2.toulouse.inra.fr/lerna/travaux/cahiers2011/11.23.357.pdf
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    References listed on IDEAS

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    5. Nikos Nikiforakis & Hans-Theo Normann & Brian Wallace, 2010. "Asymmetric Enforcement of Cooperation in a Social Dilemma," Southern Economic Journal, Southern Economic Association, vol. 76(3), pages 638-659, January.
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    7. Tullock, Gordon, 1999. "Non-prisoner's dilemma," Journal of Economic Behavior & Organization, Elsevier, vol. 39(4), pages 455-458, July.
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    More about this item

    Keywords

    Prisoner’s Dilemma; Bargaining; Confirmed Proposals; Confirmed Agreement; Tacit Communication.;

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior

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