1. Referierte Fachzeitschrift // forthcoming

    Pandemic Effects: Do Innovation Activities of Firms Suffer from Long-COVID?

    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'…

  2. Referierte Fachzeitschrift // forthcoming

    Birth Cohort Size Variation and the Estimation of Class Size Effects

    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…

  3. Referierte Fachzeitschrift // 2024

    From diversity to sustainability: Environmental and social spillover effects of board gender quotas

    Exploiting the staggered implementation of board gender quotas in Europe, this study examines their effect on firms’ environmental, social, and governance (ESG) performance. I find that firms’ environmental and…