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

    Worst-Case Equilibria in First-Price Auctions

  3. 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…

  4. Beiträge in Sammel- und Tagungsbänden // forthcoming

    Bewertungskriterien von Fördersystemen aus ökonomischer Sicht

  5. Discussion und Working Paper // 2024

    The Anatomy of Chinese Innovation: Insights on Patent Quality and Ownership

    We study the evolution of patenting in China from 1985-2019. We use a Large Language
    Model to measure patent importance based on patent abstracts and classify patent own-
    ership using a comprehensive business…