We offer a game-theoretic proof of Hamilton's rule for the spread of altruism. For a simple case of siblings, we show …

We demonstrate how altruism can surge in a population of nonaltruists. We assume that each individual plays a one … altruism ; one-shot prisoner's dilemma game ; siblings and strangers …

This chapter reviews the theory of the voluntary public and private redistribution of wealth elaborated by economic … analysis in the last forty years or so. The central object of the theory is altruistic gift-giving, construed as benevolent … voluntary redistribution of income or wealth. The theory concentrates on lump-sum voluntary transfers, individual or collective …

Members of various species engage in altruism — i.e. accepting personal costs to benefit others. Here we present an … charity than with other AI agents. Our findings provide evidence of behavior consistent with self-interest and altruism in an …