We relate differences in problem drinking symptoms within pairs of identical twins to their respective differences in years of schooling. Isolating in this way the influences of family background and genes, we find that an increase in schooling attainment results in a significantly lower...

We examine how self-selection of workers depends on the power of incentive schemes and how it affects team performance if the power of the incentive schemes is increased. In a laboratory experiment, we let subjects choose between (low-powered) team incentives and (high-powered) individual...

In this article, we estimate the degree of substitution between enrolment into Disability Insurance (DI) and Unemployment Insurance (UI) in the Netherlands. Starting in the 1990s many policy measures aimed at reducing DI enrolment, and increase labour force participation. We quantify whether...