Germany is widely known for its high-quality vocational education and training (VET) system. The two key features of that system are (a) firm-based training programs accompanied by a schoolbased component (of one to two days per week), in which apprentices acquire upper secondary general...

This paper empirically tests diverse theoretical explanations for observed skills disparities between adult immigrants and non-immigrants. Using skills data from 100,000 adults (16-65) in 18 Western countries, we show that in almost all countries, adult immigrants are less numerically skilled...