This study estimates the effect of compulsory schooling on earnings. For identification, I exploit a German reform that extended the duration of secondary schooling in the 1960s. I find that hourly wages increase by 6%-8% per additional year of schooling. This result challenges prior findings...

We use administrative panel data on about a quarter of a million students in the German state of Hesse to estimate the causal effect of class size on school tracking outcomes after elementary school. Our identification strategy relies on the quasi-random assignment of students to different class...

Ein früh gliederndes Schulsystem benachteiligt leistungsschwache Kinder. Leistungsschwächere Schülerinnen und Schüler profitieren von zwei weiteren Jahren des gemeinsamen Lernens in Schulsystemen ohne getrennte Haupt- und Realschulen. Längeres gemeinsames Lernen geht nicht zulasten der...