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Intergenerational Intergroup Cooperation: Future ingroup favoritism and outgroup derogation in the minimal and natural group contexts

Author

Listed:
  • Hirotaka Imada
  • Yukako Inoue
  • Alice Yamamoto-Wilson
  • Tatsuyoshi Saijo
  • Nobuhiro Mifune

Abstract

Issues related to sustainability (e.g., climate change and over-fishing) manifest themselves as intergenerational social dilemmas, and people are constantly faced with a choice between self-serving unsustainable behavior and sustainable, personally costly behavior. Extending the previous literature on intergroup (non-international) cooperation, we tested whether group membership of the future generations influences sustainable decision making. Two preregistered studies focusing on the minimal group (N = 1393) and the natural group (Japan vs. China, N = 1781), we revealed future ingroup favoritism and outgroup derogation; individuals are more and less likely to make a sustainable decision when they believe that their current behavior benefits future ingroup and outgroup members, respectively. Future ingroup favoritism and outgroup derogation were primarily driven by the increased felt responsibility for future generations and the reduced sense of reputational concern.

Suggested Citation

  • Hirotaka Imada & Yukako Inoue & Alice Yamamoto-Wilson & Tatsuyoshi Saijo & Nobuhiro Mifune, 2025. "Intergenerational Intergroup Cooperation: Future ingroup favoritism and outgroup derogation in the minimal and natural group contexts," Working Papers SDES-2025-1, Kochi University of Technology, School of Economics and Management, revised Jan 2025.
  • Handle: RePEc:kch:wpaper:sdes-2025-1
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    File URL: http://www.souken.kochi-tech.ac.jp/seido/wp/SDES-2025-1.pdf
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    References listed on IDEAS

    as
    1. Toshio Yamagishi & Nobuhiro Mifune, 2008. "Does Shared Group Membership Promote Altruism?," Rationality and Society, , vol. 20(1), pages 5-30, February.
    2. Sajjad Ahmad Afridi & Wajid Khan & Maqsood Haider & Asad Shahjehan & Bilal Afsar, 2021. "Generativity and Green Purchasing Behavior: Moderating Role of Man-Nature Orientation and Perceived Behavioral Control," SAGE Open, , vol. 11(4), pages 21582440211, October.
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