Pub. date: 2008 | Online Pub. Date: October 22, 2007 | DOI: 10.4135/9781412956260 | Print ISBN: 9781412916523 | Online ISBN: 9781412956260| Publisher:SAGE Publications, Inc.About this encyclopedia
David M. Wasieleski
Rooted in evolutionary biology and multi-iteration game theory, reciprocal altruism is a cooperative strategy in which someone chooses to perform an act that incurs an immediate net personal cost to benefit another individual in the hope of reaping a future gain. In biological terms, it represents a willingness to forego one's own reproductive chances in favor of another's chances for the overall benefit of the group. This goes beyond a form of altruism dictated by kin selection in that the short-term selfless behavior is extended to organisms that do not necessarily share a common ancestry. In an evolutionary sense, it seems as though a behavior that imposes a greater net cost on one individual for the sake of an unrelated person would be selected out. On the contrary, natural selection—the mechanism of evolution—will favor this kind of self-denying behavior under certain conditions. Reciprocal altruism is hardwired in our psyches and ...