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We calculate the equilibrium fraction of cooperators in a population in which payoffs accrue from playing a single-shot prisoner's dilemma game. Individuals who are hardwired as cooperators or defectors are randomly matched into pairs, and cooperators are able to perfectly find out the type of a...
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We demonstrate how altruism can surge in a population of nonaltruists. We assume that each individual plays a one-shot prisoner's dilemma game with his or her sibling, or with a stranger, and that the probability that an individual survives to reproduce is proportional to his or her payoff in...
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While the economic performance of migrants in the receiving country undoubtedly depends on qualifications, it is also affected by inclinations. Given the probability of return migration, we establish a behavioral link between the incentive of m igrants to save in their country of destination and...
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