This paper tests whether differences across states in pollution regulation affect the location of manufacturing activity in the U.S. Plant-level data from the Census Bureau's Longitudinal Research Database is used to identify new plant births in each state over the 1963-1987 period. This is...

We identify the impact of local firm concentration on incumbent performance with a quasi natural experiment. When Germany was divided after World War II, many firms in the machine tool industry fled the Soviet occupied zone to prevent expropriation. We show that the regional location decisions...

How do regions acquire the knowledge they need to diversify their economic activities? How does the migration of workers among firms and industries contribute to the diffusion of that knowledge? Here we measure the industry, occupation, and location specific knowledge carried by workers from one...

We take up two questions that have not been explored in research on enterprise zones. First, does a considerably longer-run perspective on the effects of state enterprise zones lead to different answers? And second, are there heterogeneous effects of enterprise zones that depend on the set of...

Over the past two decades, the percentage of the world's population living on less than a dollar a day has been cut in half. How much of that improvement is because of-or in spite of-globalization? While anti-globalization activists mount loud critiques and the media report breathlessly on...