Friedman, Daniel; Singh, Nirvikar - Economics Department, University of California-Santa … - 2003
A preference for negative reciprocity is an important part of the human emotional repertoire. We model its role in … sustaining cooperative behavior but highlight an intrinsic free-rider problem: the fitness benefits of negative reciprocity are …€™s willingness to bear the personal cost of punishing culprits. In our model, the countervailing force that sustains negative …