Using the large variation in the inflow of immigrants across US states we analyze the impact of immigration on state employment, average hours worked, physical capital accumulation and, most importantly, total factor productivity and its skill bias. We use the location of a state relative to the...

The recent literature on local schooling externalities in the U.S. is rather mixed: positive external effects of average education levels are hardly to be found but, in contrast, positive externalities from the share of college graduates can often be identified. This paper proposes a simple...

US universities have attracted hundreds of thousands of international students each year for the last decade. Some of these remain in the US after graduating and contribute to the high skilled labor supply in US labor markets. In this paper, we identify and estimate by how much one more...