Beheim, Bret Alexander Department of Human Behavior Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Jaeggi, A., Hooper, P., Beheim, B. A., Kaplan, H., & Gurven, M. (in preparation). Supply and demand explain reciprocal exchange of multiple commodities and individual differences in cooperation in a small-scale subsistence society.