A proposed explanation for why business creation is often found to increase in recessions is that there are two components to entrepreneurship - "opportunity" and "necessity" - the latter of which is mostly counter-cyclical. Although there is some agreement on the conceptual distinction between...

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...