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Effects of Multigenerational Exposure to Early-Life Advantage: Lessons from a Primate Study

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  • Amanda M. Dettmer
  • James J. Heckman
  • Juan Pantano
  • Victor Ronda
  • Stephen J. Suomi

Abstract

This paper uses three decades of data on rhesus monkeys to investigate the multigenerational effects of early-life advantage. Monkeys and their offspring are both randomly assigned to be reared together or apart from their mothers. For the first time, we document the intergenerational complementarity of early-life advantage, where the benefits of maternal rearing are present only for offspring of mothers who were themselves mother reared. This illustrates the intergenerational dynamics of social advantage and how the value of an intervention can depend on the experiences of the previous generation. Our paper demonstrates how studies of primates can inform human development.

Suggested Citation

  • Amanda M. Dettmer & James J. Heckman & Juan Pantano & Victor Ronda & Stephen J. Suomi, 2026. "Effects of Multigenerational Exposure to Early-Life Advantage: Lessons from a Primate Study," Journal of Political Economy, University of Chicago Press, vol. 134(1), pages 285-312.
    • Handle: RePEc:ucp:jpolec:doi:10.1086/738483
    DOI: 10.1086/738483
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