During the last few decades the world has experienced an unprecedented level of cross-border migration. While this has generated significant socio-economic gains for host countries, as well as sometimes for the countries of origin, the costs and benefits involved are unevenly distributed....

An important question for firms and policy makers is whether the recruitment of foreign workers can boost innovation. Migration studies have demonstrated positive economic impacts of cultural diversity on productivity and innovation at the regional level, but the impacts at firm level are less...