This article tests the theory recently put forward by Edward Lazear that individuals with competence in many skills should have a higher probability of being self-employed than others. The empirical results for Germany support this jack-of-all-trades view.

According to the German disability law, or Schwerbehindertengesetz, either six percent of all jobs in an establishment must be occupied by disabled empoyees or the firm has to pay a penalty of DM 200 per month for every job under consideration. This note reports results from the first...

Using a large panel data set it is investigated whether works councils act as a sand or grease in the operation of German firms. Stochastic production frontier analysis indicates that establishments with and without a works council do not exhibit significant differences in efficiency

This article presents the first nonparametric test whether German works councils go hand-in-hand with higher labour productivity or not. It distinguishes between establishments that are covered by collective bargaining or not. Results from a Kolmogorov-Smirnov test for first-order stochastic...