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Cooperation in Indefinitely Repeated Helping Games: Existence and Characterization

Author

Listed:
  • Gabriele Camera

    (Economic Science Institute, Chapman University
    University of Bologna)

  • Alessandro Gioffré

    (University of Florence)

Abstract

Experiments that investigate the spontaneous emergence of money in laboratory so cieties rely on inde?nitely repeated helping games with random matching (Camera et al., 2013; Camera and Casari, 2014). An important open issue is the lack of a general proof of existence of an equilibrium capable of supporting the e?cient allocation under private monitoring, without money. Here, we ?ll this gap by o?ering a general proof, as well as by characterizing the e?cient non-monetary equilibrium. This technique can be extended to study games with simultaneous actions.

Suggested Citation

  • Gabriele Camera & Alessandro Gioffré, 2019. "Cooperation in Indefinitely Repeated Helping Games: Existence and Characterization," Working Papers 19-28, Chapman University, Economic Science Institute.
    • Handle: RePEc:chu:wpaper:19-28
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    File URL: https://digitalcommons.chapman.edu/esi_working_papers/288/
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    References listed on IDEAS

    as
    1. Camera, Gabriele & Casari, Marco & Bigoni, Maria, 2012. "Cooperative strategies in anonymous economies: An experiment," Games and Economic Behavior, Elsevier, vol. 75(2), pages 570-586.
    2. Gabriele Camera & Alessandro Gioffré, 2018. "Beyond Grim: Punishment Norms in the Theory of Cooperation," Working Papers - Economics wp2018_12.rdf, Universita' degli Studi di Firenze, Dipartimento di Scienze per l'Economia e l'Impresa.
    3. Camera, Gabriele & Gioffré, Alessandro, 2014. "A tractable analysis of contagious equilibria," Journal of Mathematical Economics, Elsevier, vol. 50(C), pages 290-300.
    4. Gabriele Camera & Marco Casari, 2009. "Cooperation among Strangers under the Shadow of the Future," American Economic Review, American Economic Association, vol. 99(3), pages 979-1005, June.
    5. Glenn Ellison, 1994. "Cooperation in the Prisoner's Dilemma with Anonymous Random Matching," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 61(3), pages 567-588.
    6. Gabriele Camera & Marco Casari, 2014. "The Coordination Value of Monetary Exchange: Experimental Evidence," American Economic Journal: Microeconomics, American Economic Association, vol. 6(1), pages 290-314, February.
    7. Maria Bigoni & Gabriele Camera & Marco Casari, 2019. "Partners or Strangers? Cooperation, Monetary Trade, and the Choice of Scale of Interaction," American Economic Journal: Microeconomics, American Economic Association, vol. 11(2), pages 195-227, May.
    8. Duffy, John & Ochs, Jack, 2009. "Cooperative behavior and the frequency of social interaction," Games and Economic Behavior, Elsevier, vol. 66(2), pages 785-812, July.
    9. Michihiro Kandori, 1992. "Social Norms and Community Enforcement," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 59(1), pages 63-80.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Tacit coordination; Random matching; Social norms;
    All these keywords.

    JEL classification:

    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • C7 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory

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