In this paper, human capital investments are evaluated by assuming heterogeneous returns to schooling. We use the potential outcome approach to measure the causal effect of human capital investments on earnings as a continuous treatment effect. Empirical evidence is based on a sample of West...

This paper investigates the role of self-productivity and home resources in capability formation from infancy to adolescence. In addition, we study the complementarities between basic cognitive, motor and noncognitive abilities and social as well as academic achievement. Our data are taken from...

The paper examines the evolution of returns to education in the West German labour market over the last two decades. During this period, graduates from the period of educational expansion in the sixties and seventies entered the labour market and an upgrading of the skill structure took place....

The paper investigates determinants of formal and non-formal continuous vocational training and its income effects among German selfemployed and employed workers in 1991/92. Participation in continuous formal training is more frequently observed with employed workers, whereas self-employed are...

In den letzten beiden Jahrzehnten hat das deutsche Hochschulsystem eine beachtliche Expansion erfahren. Da die Hochschulen in Deutschland überwiegend aus öffentlichen Mitteln finanziert werden, stellt sich die Frage, ob die öffentlichen Gelder gut angelegt sind. Während diese Frage nach...