In a recent paper Ed Lazear (2004) proposed the so called skill-weights view of firm-specific human capital. According to his theory all single skills are general but each firm may require a different combination of these single skills. The purpose of our paper is to test Lazear`s model using a...

Avoiding labor shortages for skilled employees is one of the major challenges for highly competitive firms acting in tight labor markets. The ability to avoid labor shortages on the company level, for example measured by the share of vacant jobs, is distributed very unevenly and cannot in...

Although participation in continuing vocational training is often found to be associated with considerable individual benefits, a puzzlingly large number of people still do not take part in training. We argue that in order to solve the puzzle it is important to take selection effects into...

To test and replicate the superstar effect reported by Brown (2011) we empirically study contests where a single entrant has an endogenously higher probability of winning. Unlike the previous literature, we test for the presence of the superstar effect in several different contexts. Ultimately,...