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Why We Give: New Study Finds Evidence Of Generosity Among Our Early Human Ancestors

Date:
December 20, 2005
Source:
University of Chicago Press Journals
Summary:
A groundbreaking new study examines the origins of holiday giving and finds that our early human ancestors were frequently altruistic. "This study shows that people indeed share more with those who give more to them... [but] families who cannot produce much food, close kin, and nearby neighbors sometimes receive more than they give."

A groundbreaking new study examines the origins of holiday giving and finds that our early human ancestors were frequently altruistic.

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"Reciprocity is arguably the foundational basis of cooperation in humans," writes Michael Gurven (University of California - Santa Barbara). "A core feature of reciprocity is the contingent relationship between acts of giving and receiving among social partners. Contingency is important because it sets the rules for who qualifies as a free-rider or cheater in exchange relations."

A rigorous effort to quantify the extent and magnitude of different forms of payback in exchange relationships, the study, forthcoming in the February 2006 issue of Current Anthropology, will be critical for resolving heated debates about the function of altruism among hunter-gatherers.

Strict forms of contingency require tit-for-tat, while more forgiving forms emphasize the work effort or relative contributions of others. Gurven examined food exchanges in two small-scale, non-market societies -- a classic context for understanding the evolution of conditional cooperation in humans.

"Without some kind of payback, altruism can be a very costly endeavor in small-scale societies subsisting on wild foods," Gurven writes. "This study shows that people indeed share more with those who give more to them... [but] families who cannot produce much food, close kin, and nearby neighbors sometimes receive more than they give."

###

Sponsored by the Wenner-Gren Foundation for Anthropological Research, Current Anthropology is a prestigious transnational journal devoted to research on humankind, encompassing the full range of anthropological scholarship on human cultures and on the human and other primate species. For more information, please see the Web site: www.journals.uchicago.edu/CA

Michael Gurven, "The Evolution of Contingent Cooperation." Current Anthropology 47:1.


Story Source:

The above story is based on materials provided by University of Chicago Press Journals. Note: Materials may be edited for content and length.


Cite This Page:

University of Chicago Press Journals. "Why We Give: New Study Finds Evidence Of Generosity Among Our Early Human Ancestors." ScienceDaily. ScienceDaily, 20 December 2005. <www.sciencedaily.com/releases/2005/12/051220182334.htm>.
University of Chicago Press Journals. (2005, December 20). Why We Give: New Study Finds Evidence Of Generosity Among Our Early Human Ancestors. ScienceDaily. Retrieved December 18, 2014 from www.sciencedaily.com/releases/2005/12/051220182334.htm
University of Chicago Press Journals. "Why We Give: New Study Finds Evidence Of Generosity Among Our Early Human Ancestors." ScienceDaily. www.sciencedaily.com/releases/2005/12/051220182334.htm (accessed December 18, 2014).

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