Do increased instruction hours improve the performance of all students? Using PISA scores of students in ninth grade, we analyse the effect of a German education reform that increased weekly instruction hours by two hours (6.5 percent) overalmost five years. In the additional time, students are...

The previous literature has shown that children who enter school at a more advanced age outperform their younger classmates on competency tests taken between kindergarten and Grade 10. This study analyzes whether these effects of school starting age continue into adulthood. Based on data on math...

In this paper I investigate the causal returns to education for different educational groups in Germany by employing a new method by Klein and Vella (2010) that bases identification on the presence of conditional heteroskedasticity. Compared to IV methods, key advantages of this approach are...

In this paper I investigate the causal returns to education for different educational groups in Germany by employing a new method by Klein and Vella (2010) that bases identification on the presence of conditional heteroskedasticity. Compared to IV methods, key advantages of this approach are...

This paper examines the effects of a substantial change in publicly funded paid parental leave in Germany on child development and socio-economic development gaps. For children born before January 1, 2007, parental leave benefits were means-tested and paid for up to 24 months after childbirth....

We assess the relevance of formal education for the productivity of the self-employed and distinguish between opportunity entrepreneurs, who voluntarily pursue a business opportunity, and necessity entrepreneurs, who lack alternative employment options. We expect differences in the returns to...

Applying a financial assets approach, we analyze the returns and earnings risk of investments into different types of human capital. Even though the returns from investing in human capital are extensively studied, little is known about the properties of the returns to different types of human...

Although there are a variety of studies on the gender pay gap, only a few relate to managerial positions. The present study attempts to fill this gap. Managers in private companies in Germany are a highly selective group of women and men, who differ only marginally in their human capital...

The study analyses the gender pay gap in private-sector management positions in Germany based on data from the German Socio-Economic Panel Study (SOEP) for the years 2001-2008. It focuses in particular on gender segregation in the labor market, that is, on the unequal distribution of women and...

This paper focuses on the entrepreneurial endeavors of immigrants and natives in Germany. We pay closer attention to Turks, since they are the largest immigrant group with a strong entrepreneurial tradition, and the self-employed Turks in Germany represent about 70% of all Turkish entrepreneurs...