We hypothesize that cultural appreciation of hard work and thrift, the "Protestant ethic" according to Max Weber, had a pre-Reformation origin. The proximate source of these values was, according to the proposed theory, the Catholic Order of Cistercians. In support, we document that the...

This paper estimates the total effect of power outages on economic growth in Sub-Saharan Africa over the period 1995-2007. Outages are instrumented using a satellite-based measure of lightning density. As suggested by Henderson et al. (2011), we also combine Penn World Tables GDP data with...

Empirically, a higher frequency of lightning strikes is associated with slower growth in labor productivity across the 48 contiguous US states after 1990; before 1990 there is no correlation between growth and lightning. Other climate variables (e.g., temperature, rainfall and tornadoes) do not...

This study presents a novel theory on the interaction of social norms, fertility, education, and their joint impact on long-run economic development. The theory takes into account that sexual intercourse is utility enhancing and that the use of modern contraceptives potentially conflicts with...

This study investigates the interaction of the use of modern contraceptives, fertility, education, and long-run growth. It develops an economic model that takes into account that sexual intercourse is utility enhancing and that birth control by modern contraceptives is more efficient and more...