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Informal Risk Sharing in an Infinite-Horizon Experiment

  • Gary Charness
  • Garance Genicot

Our laboratory study of risk sharing without commitment captures the main features of a simple model of voluntary insurance. Participants are paired in matches with stochastic endings. Each period they receive fixed endowments and one of the pair (randomly-drawn) also receives an additional amount; they can then make voluntary transfers to each other. While smoothing consumption is attractive, only self-enforcing risk sharing is possible. We find evidence supporting the theory: transfers provide insurance to individuals, a higher match continuation probability raises transfers and more risk-averse individuals make larger transfers. More surprisingly, transfers decrease with ex ante inequality, potentially reflecting considerations of identity. Copyright � The Author(s). Journal compilation � Royal Economic Society 2009.

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Article provided by Royal Economic Society in its journal The Economic Journal.

Volume (Year): 119 (2009)
Issue (Month): 537 (04)
Pages: 796-825

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Handle: RePEc:ecj:econjl:v:119:y:2009:i:537:p:796-825
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