When students themselves enjoy large degrees of freedom in determining the duration of their studies, it results in a fairly large degree of interindividual variance in terms of time-to-degree. This paper investigates individual time-to-degree in a model where students determine the optimum...

This paper presents the results of a randomized experiment analyzing the use of vouchers for adult training. In 2006, 2,400 people were issued with a training voucher which they were entitled to use in payment for a training course of their choice. User behavior was compared with a control group...

We analyze the impact on schooling outcomes of growing up in a family headed by a single mother. Growing up in a non-intact family in Germany is associated with worse outcomes in models that do not control for possible correlations between common unobserved determinants of family structure and...