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…

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Based on data from broadly representative surveys among more than 1,400 citizens in Germany and Sweden, this paper empirically examines the support of different groups of climate-related (passenger) transport…

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