This article examines gender differences in pro-sociality using theories from evolutionary psychology and empirical evidence from experimental economics. Although there has been extensive prior research in both fields, there remains a large disconnect between the source of gender differences in...

Holländer (1990) argued that when non-monetary social approval from peers is sufficiently valuable, it works to promote cooperation. Holländer, however, did not define the characteristics of environments in which high valued approval is likely to occur. This paper provides evidence from a...

In randomized control laboratory experiments, we find that those primed to think about markets exhibit more trusting behavior. We randomly and unconsciously prime experimental participants to think about markets and trade. We then ask them to play a trust game involving an anonymous stranger. We...

Emile Durkheim said that when all of the members of a tribe or clan come together, they can sanctify the sacred and experience a spiritual “effervescence.” Friedrich Hayek suggested that certain genes and instincts still dispose us toward the ethos and mentality of the hunter-gatherer band,...