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We offer a game-theoretic proof of Hamilton's rule for the spread of altruism. For a simple case of siblings, we show … altruism ; Hamilton's rule ; one-shot prisoner's dilemma game …
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We examine two types of altruism and their implications for voluntary giving. Philanthropists are altruists who wish to …
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that ultimate theories of kin selection, reciprocal altruism, costly signaling and indirect reciprocity do not provide …
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The evolution of large-scale cooperation among genetic strangers is a fundamental unanswered question in the social sciences. Behavioral economics has persuasively shown that so called "strong reciprocity" plays a key role in accounting for the endogenous enforcement of cooperation. Insofar as...
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