We propose a theory that emphasizes the role of managers for the production and allocation of human capital in firms. Managers invest time to train junior employees, and acquire information about the juniors' abilities that is valuable for job assignments. This dual role of managers matters...

We investigate whether the costs of job displacement differ between blue collar and white collar workers. In the short run earnings and employment losses are substantial for both groups but stronger for white collar workers. In the long run, there are only weak effects for blue collar workers...

In this study we focus on differences in careers and wage development between white-collar workers. We are interested in the questions of which factors contribute to these differences and at what stage of the career they occur. Furthermore, we investigate the wage effects of the different types...