ArticleScientific reports2021
The evolution of moral rules in a model of indirect reciprocity with private assessment.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- How large language models judge and influence human cooperation.PNAS nexus · 2026Article
- Incomplete reputation information and punishment in indirect reciprocity.Scientific reports · 2026Article
- Indirect reciprocity under opinion synchronization.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Article
- Emergence of cooperation in the one-shot Prisoner's dilemma through Discriminatory and Samaritan AIs.Journal of the Royal Society, Interface · 2024Article
- Computational evolution of social norms in well-mixed and group-structured populations.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Norms prioritizing positive assessments are likely to maintain cooperation in private indirect reciprocity.Scientific reports · 2024Article
- A mechanistic model of gossip, reputations, and cooperation.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Indirect reciprocity with stochastic and dual reputation updates.PLoS computational biology · 2023Article
- The dynamics of a duopoly Stackelberg game with marginal costs among heterogeneous players.PloS one · 2023Article
- Interaction between games give rise to the evolution of moral norms of cooperation.PLoS computational biology · 2022Article
- Institutional incentives for the evolution of committed cooperation: ensuring participation is as important as enhancing compliance.Journal of the Royal Society, Interface · 2022Article
- Employing AI to Better Understand Our Morals.Entropy (Basel, Switzerland) · 2021Article
- The evolution of indirect reciprocity under action and assessment generosity.Scientific reports · 2021Article
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Moral rules allow humans to cooperate by indirect reciprocity. Yet, it is not clear which moral rules best implement indirect reciprocity and are favoured by natural selection. Previous studies either considered only public assessment, where individuals are deemed good or bad by all others, or compared a subset of possible strategies. Here we fill this gap by identifying which rules are evolutionary stable strategies (ESS) among all possible moral rules while considering private assessment. We develop an analytical model describing the frequency of long-term cooperation, determining when a strategy can be invaded by another. We show that there are numerous ESSs in absence of errors, which however cease to exist when errors are present. We identify the underlying properties of cooperative ESSs. Overall, this paper provides a first exhaustive evolutionary invasion analysis of moral rules considering private assessment. Moreover, this model is extendable to incorporate higher-order rules and other processes.
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