Reciprocal altruism in humans

Reciprocal altruism in humans refers to an individual behavior that gives benefit conditionally upon receiving a returned benefit, which draws on the economic concept – ″gains in trade″.^[1] Human reciprocal altruism would include the following behaviors (but is not limited to): helping patients, the wounded, and the others when they are in crisis; sharing food, implement, knowledge.^[2]

^ Cosmides, L. & Tooby, J. (1992). Cognitive adaptations for social exchange. In Barkow, J., Cosmides, L. & Tooby, J. (ed.), The adapted mind: Evolutionary psychology and the generation of culture (pp. 163-228). New York: Oxford University Press.
^ Trivers, L. R. (1971). The evolution of Reciprocal Altruism. The Quarterly Review of Biology, 46(1), pp. 35-57.

[:0-1] Cosmides, L. & Tooby, J. (1992). Cognitive adaptations for social exchange. In Barkow, J., Cosmides, L. & Tooby, J. (ed.), The adapted mind: Evolutionary psychology and the generation of culture (pp. 163-228). New York: Oxford University Press.

[:1-2] Trivers, L. R. (1971). The evolution of Reciprocal Altruism. The Quarterly Review of Biology, 46(1), pp. 35-57.

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