This paper analyses the effect of skilled migration on two measures of innovation, patenting and citations of scientific publications, in a panel of 20 European countries. Skilled migrants positively contribute to the knowledge formation in host countries as they add to the pool of skills in...

The paper investigates the determinants of cosmopolitan cities. The hypothesis tested empirically is whether gradual improvements in distant communication boost the generation of ethnically heterogeneous cities. Consequently to easier communication, movers increasingly rely on an enlarged...