I quantify spillovers of attention in a network of content pages, which is challenging, because such networks form endogenously. I exploit exogenous variation in the article network of German Wikipedia to circumvent this problem. Wikipedia prominently advertises one featured article on its main...

When contributing content on large online platforms, producers of user-generated content have to decide where to contribute. On a complex and dynamic platform like wikipedia, this decision is expected to depend on the way the content is organized. We analyse whether the hyperlinks on Wikipedia...

In this paper we investigate the prevalence of "disconnectedness" among German youth. Youth disconnectedness can have several dimensions. Unemployment, failure in school, the lack of an intimate relationship and developmental disorders are among the most important ones. Many youths in modern...

This study examines the impact of children's age within grade on school victimization in elementary school. Identification of age effects relies on the instrumental variables approach drawing on official school entry age rules based on children's month of birth. The empirical analysis uses the...

We analyse the determinants of dropout from secondary and vocational education in Germany using data from the Socio-Economic Panel from 2000 to 2007. In addition to the role of classical variables like family background and school achievements, we examine the effect of noncognitive skills. Both,...

This paper investigates the development of basic cognitive, motor and noncognitive abilities from infancy to adolescence. We analyse the predictive power of these abilities, initial risk conditions and home resources for children's achievement. Our data are taken from the Mannheim Study of...

This paper examines educational outcomes of pupils selected to secondary school types by different tracking regimes in a German state: Pupils are alternatively streamed after fourth grade or after sixth grade. Regression results indicate that, estimated on the mean, there are no negative effects...

German Abstract: Die vorliegende Studie ist unseres Wissens die erste Studie für Deutschland, die die langfristigen Wirkungen eines Studiums ohne Abschluss auf drei Arbeitsmarktergebnisse (Arbeitszeit, Stundenlohn und berufliches Prestige) sowie auf die allgemeine Lebenszufriedenheit, basierend...

Career guidance assists students with the school-to-work transition. Based on a survey in secondary schools in Germany, we analyze career guidance activities and how these affect career plans. The take-up of career guidance depends upon the school track attended and upon the school and class...

Over the 2000s, many federal states in Germany shortened the duration of secondary school by one year while keeping the curriculum unchanged. Exploiting quasi-experimental variation due to the staggered introduction of this reform allows me to identify the causal effect of increased learning...