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Strategies for updating rules driven by reinforcement learning to solve social dilemmas

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  • Yang Wang
  • Xingchen Yu
  • Shounan Lu

Abstract

This study incorporates historical performance into traditional imitation rules and proposes a moderated strategy update rule. In this framework, an individual’s temporal historical performance is calculated using the BM model. By adjusting the parameter δ, the influence of historical performance on strategy learning is determined, and the evolution of cooperation is subsequently observed. Results show that the proposed strategy update rule promotes cooperation more effectively than the traditional version, and systemic cooperation is further enhanced as δ increases. The reason why the proposed rule enhances cooperation is that it amplifies the evaluation of cooperative behavior while compressing the evaluation of defective behavior. Although establishing system objectives may hinder the diffusion of cooperative behavior, appropriate performance evaluation mechanisms can mitigate this adverse effect. Our results indicate that multidimensional evaluation can provide a theoretical basis for explaining cooperative behavior in complex environments.

Suggested Citation

  • Yang Wang & Xingchen Yu & Shounan Lu, 2026. "Strategies for updating rules driven by reinforcement learning to solve social dilemmas," PLOS ONE, Public Library of Science, vol. 21(3), pages 1-11, March.
    • Handle: RePEc:plo:pone00:0341925
    DOI: 10.1371/journal.pone.0341925
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    References listed on IDEAS

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    1. Ding, Rui & Wang, Xianjia & Liu, Yang & Zhao, Jinhua & Gu, Cuiling, 2023. "Evolutionary games with environmental feedbacks under an external incentive mechanism," Chaos, Solitons & Fractals, Elsevier, vol. 169(C).
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