?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+evolution+of+reciprocal+sharing&rft.creator=Moore%2C+Jim&rft.subject=Animal+Behavior&rft.subject=Behavioral+Biology&rft.subject=Ethology&rft.subject=Evolution&rft.subject=Primatology&rft.subject=Sociobiology&rft.subject=Evolutionary+Psychology&rft.description=Genetical+models+of+the+evolution+of+reciprocal+altruism+(as+distinct+from+cooperation%2C+mutualism%2C+or+nepotism)+have+difficulty+explaining+the+initial+establishment+of+an+altruist+gene+in+a+selfish+deme.+Though+potential+mechanisms+have+been+suggested%2C+there+is+an+alternative%3A+much+%22altruistic%22+behavior+may+in+fact+be+purely+selfish+in+origin+and+consequently+reciprocity+need+not+be+invoked+to+provide+a+selective+benefit+to+the+actor.+_Sharing_+and+_helping_+are+fundamentally+different+behavior+categories+and+should+not+be+confused.+Patterns+of+resource+sharing+in+chimpanzees+correspond+to+predictions+made+by+a+selfish+model+but+not+to+those+of+a+reciprocal+altruism+model%2C+and+many+observations+of+human+gift+exchange+are+consistent+with+the+selfish%2C+but+not+the+altruistic%2C+model.+This+suggests+that+presumed+hominid+meat+exchange+may+have+been+the+result+of+competition%2C+not+altruism+or+even+cooperation%2C+and+that+evolutionary+models+of+%22altruistic%22+behavior+should+be+treated+with+caution.&rft.date=1984&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F175%2F1%2FRecip.html&rft.identifier=++Moore%2C+Jim++(1984)+The+evolution+of+reciprocal+sharing.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F175%2F