Abstract

Baumard et al. mischaracterize our model of individual and social choice behavior. We model individuals who maximize preferences given their beliefs, and subject to their informational and material constraints (Fehr & Gintis 2007). Individuals thus must make trade-offs among self-regarding, other-regarding, and character virtue goals. Two genetic predispositions are particularly crucial. The first is strong reciprocity. The second is the capacity to internalize norms through the socialization process. Our model includes the authors' model as a subset