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...

We exploit a novel survey of recently arrived asylum seekers in Germany in order to estimate the degree of intergenerational mobility in education among refugees and compare it to the educational mobility of similar-aged individuals in their region of origin. The findings show that the refugees...

The paper analyses the applicability of vocational training and the earnings of apprentices using survey data from West Germany in 1979, 1985/86 and 1991/92. The applicability has decreased remarkably between 1979 and 1991/92. The objective of the analysis is a survey-data-based assessment of...

The study assesses net employment effects of technical progress which can be expected by the ongoing transition from end-of-pipe technologies towards cleaner production. Empirical evidence is presented on the basis of case studies and panel data including a telephone survey in German industry....