We show that in school systems with grade retention or redshirting birth cohort size is negatively related to the grade-level share of students who are too old for their grade. This compositional effect gives…
Drawing on a longitudinal database of Belgian firms over the years 2014-2020, this study investigates the joint effect of R&D grants and R&D tax credits on R&D inputs and innovation outputs. We estimate…
This paper shows that nineteenth-century industrialization is an essential determinant of the pronounced changes in economic prosperity across German regions over the last 100 years. Using novel data on economic…
Germany has become the second-most important destination for migrants worldwide. Using all waves from the microcensus, we study their labour market integration over the last 50 years and highlight differences to…
Though the use of tracking policies to stratify students is commonplace, evidence concerning the effects of ability-based tracking on student performance is mixed. Using rich data from the Hungarian secondary…