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Intergenerational altruism and climate policy preferences.

Gustav Agneman1, Sofia Henriks2, Hanna Bäck3

  • 1Department of Economics, Norwegian University of Science and Technology, 7030, Trondheim, Norway.

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Summary

Concerns for future generations, known as intergenerational altruism, can be measured and increased. This study shows that fostering intergenerational altruism boosts support for climate policies by increasing climate change worries.

Keywords:
climate policy preferencesintergenerational altruismsurvey experiment

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Area of Science:

  • Environmental Psychology
  • Behavioral Economics
  • Climate Change Science

Background:

  • Climate change presents an intergenerational moral dilemma, impacting future generations.
  • The link between intergenerational altruism (IGA) and support for climate policies is not well understood.
  • Existing research lacks methods to measure IGA and its causal impact on policy support.

Purpose of the Study:

  • To develop and validate a novel measurement for intergenerational altruism (IGA).
  • To investigate the correlation between IGA and support for climate mitigation policies.
  • To establish a causal link between a simulated intergenerational dilemma and increased climate policy support.

Main Methods:

  • Participants allocated resources in an intergenerational dilemma to measure IGA.
  • Correlational analyses examined the relationship between IGA and climate policy support.
  • Randomized controlled trial leveraged the dilemma to assess causal effects on policy support.

Main Results:

  • IGA is influenced by the temporal distance between generations.
  • Higher IGA correlates with increased support for climate policies.
  • Participation in the intergenerational dilemma causally increased climate policy support.
  • This effect was linked to heightened concerns about human-induced climate change.

Conclusions:

  • A novel method for measuring IGA has been developed.
  • Intergenerational altruism is a malleable moral foundation for climate policy preferences.
  • Interventions that increase IGA can enhance support for climate action, particularly among female and nonbinary individuals.