1. ZEW Monthly // 2025

    01/2025 – Digitalisation

    In an increasingly digitalised world, generative AI and big data technologies are opening up completely new horizons. Businesses harness the potential of these innovations to generate tailored content and…

  2. ZEW Discussion Paper No. 25-006 // 2025

    Adoption of Circular Economy Innovations: The Role of Artificial Intelligence

    The circular economy represents a systematic shift in production and consumption, aimed at extending the life cycle of products and materials while minimizing resource use and waste. Achieving the goals of the…

  3. ZEW Discussion Paper No. 25-007 // 2025

    Safeguarding Secrets, Shaping Acquisitions: Trade Secret Protection and the Role of Distance Between Acquirer and Target

    We investigate whether strengthened legal protection of trade secrets increases the likelihood of a firm being acquired. Stronger protection can make a firm more attractive for acquisition due to better…

  4. ZEW Discussion Paper No. 25-004 // 2025

    Cournot Competition With Heterogenous Firms, Welfare and Misallocation

    This paper characterizes the short- and long-run Cournot equilibrium with heterogeneous firms and stochastic technological change. In our model, firms have different technologies with heterogeneous fixed and…

  5. ZEW-Innovationserhebung // 2025

    2024

    The ZEW Innovation Survey

  6. ZEW-Finanzmarktreport // 2025

    Januar 2025

    • Zweites Rezessionsjahr in Folge lässt Konjunkturerwartungen sinken
    • Eurozone: Steigende Inflationserwartungen bei skeptischen Zinserwartungen
    • USA: Stabilität trotz politischer Unsicherheit
    • China:…
  7. Refereed Journal // 2025

    State-owned enterprises, fiscal transparency, and the circumvention of fiscal rules: The case of Germany

    State-owned enterprises (SOEs) provide opportunities for a more flexible and market-based provision of public services. At the same time, they may impair fiscal transparency and offer politicians discretion in…

  8. ZEW Discussion Paper No. 25-003 // 2025

    Invitation Messages for Business Surveys: A Multi-Armed Bandit Experiment

    This study investigates how elements of a survey invitation message targeted to businesses influence their participation in a self-administered web survey. We implement a full factorial experiment varying five…

  9. ZEW Discussion Paper No. 25-002 // 2025

    Gritty Peers

    We use the National Longitudinal Study of Adolescent to Adult Health to explore how high school peers’ grit, a personality trait characterized by perseverance and passion, influences long-term outcomes…

  10. ZEW Discussion Paper No. 25-001 // 2025

    Innovation Performance Through Collaborations with Public Research Organizations: Conducting and Signaling Mechanisms

    We explore the association between signaling and conducting innovation collaborations with public research organizations and firms’ revenues from firm and market novelties. Based on data from the German…