Social science research has stressed the important role of religion in sustaining cooperation among non-kin. We contribute to this literature with a large-scale empirical study documenting the relationship between religion and cooperation. We analyze newly available, experimentally validated,...

Using newly collected national and sub-national data and historical case studies, this paper argues that differences in innovative capacity, captured by the density of engineers at the dawn of the Second Industrial Revolution, are important to explaining present income differences, and, in...

Using newly collected national and sub-national data and historical case studies, this paper argues that differences in innovative capacity, captured by the density of engineers at the dawn of the Second Industrial Revolution, are important to explaining present income differences, and, in...