Baron, Jonathan; Altman, Nicole Y.; Kroll, Stephan - In: Journal of Conflict Resolution 49 (2005) 6, pp. 895-907
In hypothetical scenarios involving two groups (nations or groups of workers), subjects voted on three proposals: one helped group A (their group), one helped B, and one helped both groups, more than the average of the first two but less than their maximum. When subjects voted for one proposal,...