This paper characterizes the dynamic empirical properties of country export capabilities in order to inform modelling of the long-run behavior of comparative advantage. The starting point for our analysis is two strong empirical regularities in international trade that have previously been...

We examine changes in the spatial distribution of good jobs across US commuting zones over 1980-2000 and 2000-2021. We define good jobs as those in industries in which full-time workers attain high wages, accounting for individual and regional characteristics. The share of good jobs in...

How does improving access to the supply of energy affect regional specialization in manufacturing? We evaluate the long-run employment impacts of pipelines constructed by the U.S. government during World War II to transport oil and gas from the oil fields of the Southwest to wartime industrial...