Previous empirical studies on the effect of age on productivity and wages find contradicting results. Some studies find that if workers grow older there is an increasing gap between productivity and wages, i.e. wages increase with age while productivity does not or does not increase at the same...

This paper studies the wage effects of the use of alcohol and tobacco. The analysis based on a recent survey in the Netherlands shows that for males the use of tobacco has a negative wage effect of about 10% while the use of alcohol has a positive wage effect of about the same size. The wages of...

Recent evaluations of active labor market policies are not very optimistic about their effectiveness to bring unemployed back to work. An important reason is that unemployed get locked-in, that is they reduce their effort to find a regular job. This paper uses an administrative dataset from the...