Local returns to scale in the labor market have been notoriously difficult to disentangle from increasing returns in the product market and from the spatial sorting of workers and firms as a source for regional variation in productivity. In this paper we use the introduction of high-speed rail...

We examine the residential segregation of workers and the unemployed in the 80 largest cities in Germany. Drawing on a large set of geo-referenced data for the period from 2000 until 2015, we are able to study the within-city distribution of unemployment in unprecedented detail. We document a...