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...

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...