Sam Bowles: Santa Fe InstituteAltruism -- benefiting fellow group members at a cost to oneself -- and parochialism – hostility toward individuals not of one’s own ethnic, racial or other group -- are common human behaviors. The intersection of the two – which we term parochial altruism -- is puzzling from an evolutionary perspective because […]
Carel van Schaik: Anthropological Institute & Museum, University of ZurichNaturalistic data on nonhuman primates show that the degree of despotism among males in primate groups is predicted by the degree to which mating access to females can be monopolized. Degree of despotism should affect other aspects of male behavioral strategies, such as how long top-dominants’ […]
Becky Frank: UCLA AnthropologyThe goal of this project was to examine the dynamics of exchange among female baboons and test predictions derived from a biological market model of grooming. Evolutionary theory predicts that cooperation among nonkin will be limited to reciprocating partners who monitor the balance of trade within their relationships in order to prevent […]
