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The emergence of reciprocally beneficial cooperation

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Author Info

  • Sergio Beraldo

    ()

  • Robert Sugden

    ()

Abstract

This paper offers a new and robust model of the emergence and persistence of cooperation. In the model, interactions are anonymous, the population is well-mixed, and the evolutionary process selects strategies according to material payoffs. The cooperation problem is modelled as a game similar to Prisoner’s Dilemma, but there is an outside option of nonparticipation and the payoff to mutual cooperation is stochastic; with positive probability, this payoff exceeds that from cheating against a cooperator. Under mild conditions, mutually beneficial cooperation occurs in equilibrium. This is possible because the non-participation option holds down the equilibrium frequency of cheating.

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File URL: http://www.icer.it/docs/wp2010/ICERwp18-10.pdf
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Bibliographic Info

Paper provided by ICER - International Centre for Economic Research in its series ICER Working Papers with number 18-2010.

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Length: 25 pages
Date of creation: Jul 2010
Date of revision:
Handle: RePEc:icr:wpicer:18-2010

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Related research

Keywords: Cooperation; voluntary participation; random payoffs.;

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Cited by:
  1. Sergio Beraldo, 2011. "Good standing and cooperation," International Review of Economics, Springer, vol. 58(1), pages 79-90, March.

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