This paper studies how portable skill accumulated in the labor market are. Using rich data on tasks performed in occupations, we propose the concept of task-specific human capital to measure the transferability of skills empirically. Our results on occupational mobility and wages show that labor...

Using a large representative German data set and various concepts of self-employment, this paper tests the jack-of-all-trades view of entrepreneurship by Lazear (AER 2004). Consistent with its theoretical assumptions we find that self-employed individuals perform more tasks and that their work...

This paper studies how schooling admission tests affect economic performance in an economy where individuals are endowed with both academic and non academic abilities and both abilities matter for labor productivity. We develop a simple model with selective government held schools, where...

We investigate the use of performance appraisal (PA) in German Firms. First, we derive hypotheses on individual and job based determinants of PA usage. Based on a representative German data set on individual employees, we test these hypotheses and also explore the impact of PA on performance pay...

Based on two representative samples of employees, the German Socio Economic Panel and the European Social Survey, we explore the relation between certain measures of control in employment relationships (i.e. working time regulations, use of performance appraisal systems, monitoring by...

We empirically investigate possible distortions in subjective performance evaluations. A key hypothesis is that evaluations are more upward biased the closer the social ties between supervisor and appraised employee. We test this hypothesis with a company data set from a call center organization...

The paper investigates the relationship between offshoring, wages, and the ease with which individuals' tasks can be offshored. Our analysis relates to recent theoretical contributions arguing that there is only a loose relationship between the suitability of a task for offshoring and the...