1. ZEW Discussion Paper No. 25-052 // 2025

    The State of European Entrepreneurship: Trends in Quantity and Quality in France, Germany, and the UK (2009–2023)

    This paper replicates and extends the framework of Guzman and Stern (2020) to examine the evolution of entrepreneurial activity in Europe, focusing on France, Germany, and the United Kingdom between 2009 and…

  2. ZEW Discussion Paper No. 25-050 // 2025

    Regulatory Capacity in a Game of Asymmetric Regulation

    In a model of asymmetric regulation, a firm can comply with two regulatory targets, and a regulator can audit the firm for compliance. Inspection by the regulator is imperfect, and it assesses the firm’s…

  3. Contributions to Edited Volumes and Conference Proceedings // 2025

    Karenztage und Absenkung der Lohnersatzrate – eine ökonomische Analyse

    Über das gesamte Jahr 2024 und auch im Jahr 2025 gab es in Deutschland eine leidenschaftlich geführte wirtschaftspolitische Diskussion über (zu) hohe krankheitsbedingte Fehlzeiten. Auslöser dieser breiten…

  4. ZEW Monthly // 2025

    09/2025 – Future Viability

    What will our health care system look like in the future? How can sensible innovation policy be shaped? And how can we ensure a sustainable energy supply when economic and social conditions are constantly…

  5. Refereed Journal // 2025

    Not like the others: Frontier scientists for inventive performance

    Linking scientific articles in PubMed and corporate biomedical U.S. patents, we study the role of inventors who are frontier scientists, identified as authors of recent articles in top-general biomedical…

  6. ZEW Discussion Paper No. 25-048 // 2025

    Visibly Fair Mechanisms

    Priority-based allocation often requires eliminating justified envy, making serial dictatorship (SD) the only non-wasteful direct mechanism with that property. However, SD’s outcomes can conflict with the…

  7. Refereed Journal // 2025

    Lessons from the EU Effort Sharing Decision for supranational climate cooperation: a firm-level analysis

    As an example of supranational climate policy coordination for sectors not covered by
    carbon trading, the European Effort Sharing Decision set national targets for emission
    reductions for the time period…