We expand Acemoglu and Pischke's seminal model of training in imperfect labor markets by including the system of collective wage bargaining and the components of firms' training costs. Thus we can adapt their model to institutional changes that occurred since the 1990s. The model and the...

This paper explores the potential of an approach suggested by Manski of obtaining nonparametric bounds for treatment effects in evaluation studies without knowledge of the participation process. The practical concern is the effects of continuous vocational training in East Germany. The empirical...