Churches as Social Insurance: Oil Risk and Religion in the U.S. South

Religious communities are important providers of social insurance. We show that risk associated with oil dependence facilitated the proliferation of religious communities throughout the U.S. South during the twentieth century. Known oil abundance predicts higher rates of church membership, which are not driven by selective migration or local economic development. Consistent with a social insurance channel, greater oil price volatility increases effects, while greater access to credit, state-level social insurance, and private insurance crowd out effects. Religious communities limit spillovers of oil price shocks across sectors, reducing increases in unemployment following a negative shock by about 30 percent.