1. Beiträge in Sammel- und Tagungsbänden // forthcoming

    Measuring Democracy

  2. ZEW Discussion Paper Nr. 26-024 // 2026

    Earnings Dynamics Through Boom, Crisis, and Recovery: Evidence from Greece

    This paper documents the evolution of labor earnings and earnings dynamics in Greece during 2002–2023 using administrative matched employer–employee data from the Greek social security system. The data span the…

  3. ZEW Discussion Paper Nr. 26-022 // 2026

    Patents, Firm Rents, and Worker Compensation: Causal Evidence from Quasi-Random Patent Allocation

    This paper provides new causal evidence on how patent allowances affect firms and their employees based on quasi-random assignment of patent applications to examiners. Exploiting employer–employee records with…

  4. ZEW Discussion Paper Nr. 26-023 // 2026

    Foreign Troops, Local Economies: The Economic Effects of US Withdrawals from Germany

    This paper analyzes the local economic impacts of troop deployments. We exploit variation from the historic large-scale US troop withdrawal from Germany triggered by the end of the Cold War, to estimate the…

  5. ZEW Discussion Paper Nr. 26-020 // 2026

    The Differential Economic Effects of Private Universities in Urban and Rural Regions

    This paper investigates whether the local economic effects of niche university actors depend on regional context. Focusing on private university campuses in Germany, it exploits their staggered foundation…

  6. ZEW Discussion Paper Nr. 26-018 // 2026

    Additional Award Criteria in Public Procurement Tenders and Firms’ Innovation Performance Heterogeneity

    Public procurement is widely regarded as an important instrument to foster innovation. We examine how additional award criteria beyond price relate to firms’ realized innovation performance by combining…

  7. ZEW Discussion Paper Nr. 26-019 // 2026

    Identifying Circular Public Procurement with Large Language Models: An Application to Firm-Level Circular Innovation

    Policy makers increasingly recognize circular public procurement as a demand-pull instrument for stimulating the transition to a circular economy. However, empirical studies on circular public procurement have…

  8. ZEW-Finanzmarktreport // 2026

    Mai 2026

    • Erwartungen erholen sich, strukturelle Risiken  bleiben bestehen
    • Eurozone: Konjunkturstimmung verbessert sich
    • USA: Diplomatische Bemühungen spiegeln sich in den Erwartungen wider
    • China: Erholung der Konjunktur- und…
  9. #ZEWPodcast // 2026

    30.000 Euro Einkommensverlust von Müttern

    Kinder zu bekommen, führt für viele Mütter zu spürbaren Einkommenseinbußen. In der neuen Background-Folge des ZEW-Podcasts „Wirklich Wirtschaft“ erklärt Dr. Lukas Riedel aus der Forschungsgruppe „Ungleichheit…