We investigate the importance of co-ethnic networks and diversity in determining immigrant inventors’ settlements in the US by following the location choices of thousands of them across counties during the Age of Mass Migration. To do so, we combine a unique USPTO historical patent dataset on...

This paper studies the impact of skilled immigration policy frictions in the United States on technology-intensive firms by age cohorts. We use firm-level data and a general equilibrium model with endogenous firm entry and exit. The empirical results show that skilled immigration policy...