1. #ZEWPodcast // 2025

    Incentives, Auctions, AI – Rethinking Markets

    Not every market regulates itself, as we know from electricity markets or auctions of mobile phone frequencies. Shaping complex markets and finding efficient solutions quickly through optimal design is one of…

  2. Discussion and Working Paper // 2025

    Fee-ling Stuck? Provider Choice in a Mandatory Defined Contribution Pension System

    Fees play a critical role in shaping the pension benefits provided by defined contribution (DC) pension funds. Even small differences in fees, when compounded over a long contribution period, can lead to…

  3. ZEW-Finanzmarktreport // 2025

    Dezember 2025

    • Verbesserung der Erwartungen zum Jahresende
    • Eurozone: Konjunkturerwartungen steigen trotz schwacher Lage
    • USA: Optimistischere Erwartungen trotz angespannter Geldpolitik
    • China: Verschiebung der Zinserwartungen bei…
  4. ZEW Monthly // 2025

    12/2025 - Highlights from 2025

    An eventful 2025 is drawing to a close – a year that has kept the economic policy landscape in Europe and beyond in motion like few before it. The political shifts at the national and international levels, the…

  5. #ZEWPodcast // 2025

    „Zollpolitik ist keine gute Wirtschaftspolitik“ (in German language)

    In the first edition of Economics Actually, ZEW President Professor Achim Wambach, PhD looks back on the year 2025 and gives his assessment of the current situation. He addresses the stormy debates surrounding…

  6. ZEW Discussion Paper No. 25-071 // 2025

    Using AI Persuasion to Reduce Political Polarization

    Rising political polarization generates significant negative externalities for democratic institutions and economic stability, yet scalable interventions to reduce polarization remain scarce. In this paper, I…

  7. ZEW Discussion Paper No. 25-070 // 2025

    Inference for Batched Adaptive Experiments

    The advantages of adaptive experiments have led to their rapid adoption in economics, other fields, as well as among practitioners. However, adaptive experiments pose challenges for causal inference. This note…

  8. ZEW Discussion Paper No. 25-068 // 2025

    VAT Collection Only at the Retail Stage: Evidence on Tax Compliance

    We investigate whether firms engage in VAT evasion at the retail stage—typically a point of weakness in VAT systems—in a high-enforcement, low-informality setting. To measure evasion, we exploit a reform of VAT…

  9. ZEW Discussion Paper No. 25-069 // 2025

    To Release or Not to Release? Preferences for Home Equity Products in Retirement

    How do retirees choose among home equity release products? Despite housing wealth being households’ largest asset, little is known about preferences for different equity release products. We conduct a survey…

  10. Discussion and Working Paper // 2025

    To Release or Not to Release? Preferences for Home Equity Products in Retirement

    How do retirees choose among home equity release products? Despite housing wealth being households’ largest asset, little is known about preferences for different equity release products. We conduct a survey…