It is well established that teachers are the most important in-school factor in determining student outcomes. However, to date there is scant robust quantitative research demonstrating that teacher training programs can have lasting impacts on student test scores. To address this gap, we conduct...

We show that measures of inequality of opportunity (IOP) fully consistent with Roemer (1998)'s IOP theory can be straightforwardly estimated by adopting a machine learning approach, and apply our novel method to analyse the development of IOP in Germany during the last three decades. Hereby, we...

This paper analyzes whether technological change improves equality of labor market opportunities by decreasing returns to parental background. We find that in Germany during the 1990s, computerization improved the access to technologyadopting occupations for workers with low-educated parents,...