The Original Affluent Society. By Marshall Sahlins. Originally published in 1974. Reprinted in Marshall Sahlins, Culture in Practice: Selected Essays. New York: Zone Books, 2000. Also find it here and here.
The Human Motivational Complex: Evolutionary Theory and the Causes of Hunter-Gatherer Fighting. Part I. Part II. By Azar Gat. Anthropological Quarterly, Vol. 73, Nos. 1 and 2 (January, April 2000).
