An explanation of the Dunning-Kruger effect is provided which does not require any psychological explanation, because it is derived as a statistical artefact. This is achieved by specifying a simple statistical model which explicitly takes the (random) boundary constraints into account. This...

Impact evaluations of development programmes usually focus on a comparison of participants with a control group. However, if the programme generates externalities for non-participants such an approach will capture only part of the programme’s impact. Based on a unique large-scale quantitative...

In the Netherlands, students who want to become a medical specialist have toenrol in a training program which is in limited supply. During the search for aposition as trainee (or junior medical specialist), they may accept atemporary job as a medical assistant. We use a micro data set to...

We analyze the impact of adolescents' friendship relations in their final-year class of highschool on subsequent labor market success. Based on a typology of network positions we locateeach student within the social system of the school class as either: an isolate, a sycophant,a broker or a...