This paper uses the French and the UK Labour Force Surveys and the German Microcensus to estimate the effects of different components of the labour force on innovation at the sectoral level between 1994 and 2005. The authors focus, in particular, on the contribution of migrant workers. We adopt...

We analyze the process of immigrant selection and occupational outcomes of International Medical Graduates (IMGs) in the US and Canada. We extend the IMG relicensing model of Kugler and Sauer (2005) to incorporate two different approaches to immigrant selection: employer nomination systems and...

Economic debate about the consequences of immigration in Germany has largely focused on the wage effects for natives at an aggregate level. Especially the role of imperfect substitutability of migrants and natives gained importance. A new topic is to focus on the firm level by estimating...

Empirical evidence for the US shows that migrants increase the productivity of regions. To explain the impact of migrants on the average firm productivity we construct a general equilibrium model with monopolistic competition a la Melitz (2003). We consider heterogeneous firms with different...