The first chapter finds that making music has positive effects on the development of adolescents’ cognitive and non-cognitive skills. However, especially the effects on cognitive skills require at least a medium intensity of musical practice to materialise. The results are obtained by applying...

The second chapter documents mostly positive effects of more physical education on child development. Especially grades are substantially improved for students with more physical education. On the down side, behavioural problems of boys are increased at the same time. The empirical strategy...

The third chapter estimates negative average effects of a Swiss job search programme for unemployed persons. Those who are send to the job search programme are significantly less likely to find a job quickly than comparable unemployed persons who do not participate in such a programme. Recent...

The final chapter investigates whether workers reporting a work hour mismatch, i.e. prefer to work more or fewer hours, are more likely to resolve this mismatch if they change jobs. Comparing job movers and comparable job stayers shows that although job movers show on average higher adjustments...