This paper provides a descriptive analysis of the demand for high-skilled workers using a new firm data set, the IZA International Employer Survey 2000. Our results suggest that while workers from EU-countries are mainly complements to domestic high-skilled workers, workers from non-EU countries...

Based on the ideas developed in the literature on the evaluation of active labor market policy, this paper provides a framework for the evaluation of key elements of immigration policy. To this end, the fundamental ingredients of evaluating policy interventions are explained and the specific...