The climate damage function used to assess the economic impact of secular changes in temperature and precipitation is one of the most speculative components of integrated assessment models of climate change. Existing work informing this debate is based on pooled empirical models incorporating...

We study the causal effect of country-specific democratic regime change on bilateral trade flows, extending structural gravity empirics to 'heterogeneous gravity' estimated at the country-pair level. Our difference-in-differences implementation accounts for selection into regime change,...