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 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...