Journal
BIOLOGY & PHILOSOPHY
Volume 36, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/s10539-021-09799-x
Keywords
Cooperation; Social Evolution; Game Theory
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Cooperation in the prisoner's dilemma is possible if interactions are sufficiently correlated, with tag-based strategies dominating in favorable conditions. However, interventions aimed at promoting cooperation may lead to in-group favoritism and ethnocentric behavior. Future research should focus on promoting cooperation without ushering in tag-based strategies.
Cooperation in the prisoner's dilemma is possible if interactions are sufficiently correlated. We show that when conditions favorable to the evolution of cooperation hold (rb > c) tag-based strategies dominate. Thus, well-meaning interventions aimed at promoting cooperation may succeed but will often lead to in-group favoritism and ethnocentric behavior. Exploring ways that promote cooperation but do not usher in tag-based strategies should be a focal point of future work on the evolution of cooperation.
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