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Evolution of preferences in multiple populations

Author

Listed:
  • Yu-Sung Tu

    (Academia Sinica)

  • Wei-Torng Juang

    (Academia Sinica)

Abstract

We study the evolution of preferences in multi-population settings that allow matches across distinct populations. Each individual has subjective preferences over potential outcomes, and chooses a best response based on his preferences and the information about the opponents’ preferences. Individuals’ realized fitnesses are given by material payoff functions. Following Dekel et al. (Rev Econ Stud 74:685–704, 2007), we assume that individuals observe their opponents’ preferences with probability p. We first derive necessary and sufficient conditions for stability for $$p=1$$ p = 1 and $$p=0$$ p = 0 , and then check the robustness of our results against small perturbations on observability for the case of pure-strategy outcomes.

Suggested Citation

  • Yu-Sung Tu & Wei-Torng Juang, 2024. "Evolution of preferences in multiple populations," International Journal of Game Theory, Springer;Game Theory Society, vol. 53(1), pages 211-259, March.
  • Handle: RePEc:spr:jogath:v:53:y:2024:i:1:d:10.1007_s00182-023-00869-w
    DOI: 10.1007/s00182-023-00869-w
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