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  1. The red-beard evolutionary explanation of human sociality.Vaios Koliofotis - 2021 - History and Philosophy of the Life Sciences 43 (4):1-17.
    Recent evolutionary studies on cooperation devote specific attention to non-verbal expressions of emotions. In this paper, I examine Robert Frank’s popular attempt to explain emotions, non-verbal markers and social behaviours. Following this line of work, I focus on the green-beard explanation of social behaviours. In response to the criticisms raised against this controversial ultimate explanation, based on resources found in Frank’s work, I propose an alternative red-beard explanation of human sociality. The red-beard explanation explains the emergence and evolution of emotions, (...)
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  • Cooperation, correlation and the evolutionary dominance of tag-based strategies.Justin P. Bruner - 2021 - Biology and Philosophy 36 (2):1-20.
    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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