We examine whether the sorting of differently achieving students into differently sized classes results in a regressive or compensatory pattern of class sizes for a sample of national school systems. Sorting effects are identified by subtracting the causal effect of class size on performance...

In this book Eric Hanushek and Ludger Woessmann make a simple, central claim, developed with rigorous theoretical and empirical support: knowledge is the key to a country’s development. Of course, every country acknowledges the importance of developing human capital, but Hanushek and Woessmann...

Weltweit steigt der Einsatz schulischer Leistungsüberprüfungen. In einer neuen Studie untersuchen wir die Auswirkungen von Reformen von Tests und Prüfungssystemen in 59 Ländern in den Jahren zwischen 2000 und 2015 anhand der PISA-Mikrodaten von über 2 Mio. SchülerInnen. Es zeigt sich, dass...