This paper presents evidence that high speed rail systems, by bringing economic agents closer together, sustainably promote economic activity within regions that enjoy an increase in accessibility. Our results on the one hand confirm expectations that have led to huge public investments into...

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...