1. Beiträge in Sammel- und Tagungsbänden // forthcoming

    Measuring Democracy

  2. ZEW Discussion Paper Nr. 25-065 // 2025

    Fair Market Value of Used Capacity Assets: Forecasts for Repurposed Electric Vehicle Batteries

    In response to growing economic and environmental concerns, companies in a range of industries seek to repurpose products (assets) that retain functional capacity beyond their initial first life. This paper…

  3. Referierte Fachzeitschrift // 2025

    Cluster policy, innovation, and firm productivity. An econometric assessment of the Flemish Spearhead Cluster program

    The Flemish government launched its Spearhead Cluster (SHC) policy in 2017. The aim is to boost strategic sectors by setting up cluster initiatives which coordinate collaborative R&D initiatives. In this paper,…

  4. ZEW Discussion Paper Nr. 25-067 // 2025

    Harnessing Deductions to Increase Tax Compliance and Formalization

    We evaluate a tax reform in Ecuador that introduced generous deductions from personal income taxes (PIT), encouraging consumers to request receipts. The reform addresses tax evasion by targeting small…

  5. ZEW Discussion Paper Nr. 25-066 // 2025

    Effects of the Reverse Charge Mechanism on VAT Gaps

    The purpose of this paper is to evaluate the effect of reverse-charge mechanism (RCM) implementation on VAT compliance using an overall, countrylevel measure of VAT compliance, the VAT gap. The VAT gap is…

  6. ZEW policy brief Nr. 25-12 // 2025

    Missed Potential? The Role of Migrant Entrepreneurs in Shaping Germany’s Future Economy

    Entrepreneurship is essential for innovation and economic growth. Newly founded companies contribute to innovation and technology diffusion and increase pressure on incumbent firms to innovate. In Germany,…