Replication data for: Cooperation in Polygynous Households

  • Berber Kramer (Contributor)
  • Wendy Janssens (Contributor)
  • Bereket Kebede (Contributor)
  • Abigail Barr (Contributor)
  • Marleen Dekker (Contributor)



Using a carefully designed series of public goods games, we compare, across monogamous and polygynous households, the willingness of husbands and wives to cooperate to maximize household gains. Compared to monogamous husbands and wives, polygynous husbands and wives are less cooperative, one with another, and co-wives are least cooperative, one with another. The husbands' and wives' behavior in a corresponding series of inter-household games indicates that these differences cannot be attributed to selection of less cooperative people into polygyny. Finally, behavior in polygynous households is more reciprocal and less apparently altruistic.
Date made available1 Jan 2019

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