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Cooperation in Indefinitely Repeated Helping Games: Existence and Characterization


  • Gabriele Camera

    () (Economic Science Institute, Chapman University
    University of Bologna)

  • Alessandro Gioffré

    () (University of Florence)


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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    Tacit coordination; Random matching; Social norms;

    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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