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  1. The Evolution of Psychological Altruism.Gualtiero Piccinini & Armin Schulz - 2018 - Philosophy of Science 85 (5):1054-1064.
    We argue that there are two different kinds of altruistic motivation: classical psychological altruism, which generates ultimate desires to help other organisms at least partly for those organisms’ sake, and nonclassical psychological altruism, which generates ultimate desires to help other organisms for the sake of the organism providing the help. We then argue that classical psychological altruism is adaptive if the desire to help others is intergenerationally reliable and, thus, need not be learned. Nonclassical psychological altruism is adaptive when the (...)
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  • A Note on Altruism in Asymmetric Games: An Indirect Evolutionary Approach.Jiabin Wu - 2017 - Biological Theory 12 (3):181-188.
    This article studies the evolution of altruism. We consider a model in which a population of agents are assortatively matched to play some asymmetric two-player game, and evolution operates at the level of behavior rules. We find that the relationship between the evolutionarily stable level of altruism and the index of assortativity of matching is determined by two novel features: whether the total payoff function of the game exhibits complementarity or substitutability; whether the two players’ strategies affect each other’s fitness (...)
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