The COVID-19 pandemic exogenously hit many economies early 2020. Exploiting treatment heterogeneity, we use a conditional difference-in-differences design to causally identify how COVID-19 impacted firms'…
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…
The Flemish government launched its Spearhead Cluster (SHC) policy in 2017. The aim is to boost strategic sectors by setting up cluster initiatives which coordinate collaborative R&D initiatives. In this paper,…
Der Nahost-Konflikt, zwei Jahre Ukraine-Krieg, vier Jahre Stagnation – die zunehmend unsichere Lage setzte 2023 Wirtschaft und Gesellschaft zu. Gleichzeitig stehen Deutschland und Europa mit der Energiewende und…
I analyze a model of directed search in which a consumer inspects a finite number of products sharing attributes with each others. The consumer discovers her valuation for the attributes of the inspected…
