Recent studies report that economic inequality is associated with reduced government expenditures on social programs. Several prominent social scientists, including Putnam [2000], attribute this relationship to the detrimental Òpsychosocial effectsÓ of group heterogeneity on cooperation. We...

Observational studies frequently support the popular belief that religion is associated with more other-regarding behavior; however, such studies are well known to be susceptible to the confounding effects of unobserved determinants of cooperation and trust. We test whether religious affiliation...