1. ZEW Discussion Paper No. 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…

  2. ZEW policy brief No. 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,…

  3. Refereed Journal // 2025

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

    We investigate the design of a survey invitation message targeted at businesses. By varying five key elements of the survey invitation, we implement a full-factorial experiment with adaptive randomization…

  4. ZEW Discussion Paper No. 25-060 // 2025

    Do Energy-Saving Nudges Deliver During High-Price Periods? Field Experimental Evidence From the European Energy Crisis

    Urged by the European Energy Crisis and the threatening consequences of severe natural gas shortages, energy providers launched gas-saving initiatives incorporating financial incentives to reduce residential…

  5. ZEW Monthly // 2025

    11/2025 – World of Work

    The world of work is undergoing a profound transformation: Economic uncertainties, the desire for a better work-life balance and changing expectations towards employers are shaping the everyday lives of many…

  6. Discussion and Working Paper // 2025

    Pro-Productivity Policies in Germany: Same Tools, Different Paths

    This paper examines (the absence of effective) pro-productivity policies in Germany. Peculiarities such as the German reunification, the strong export orientation, the still sizeable manufacturing sector as well…

  7. ZEW Discussion Paper No. 25-063 // 2025

    Financial Socialization and the Gender Investment Gap

    Women are significantly less likely to participate in the stock market than men. We show that financial socialization plays an important role in explaining this gap. Survey data from Germany and the U.S.…

  8. ZEW Discussion Paper No. 25-059 // 2025

    Doubling Down Political Budget Cycles: The Role of State-Owned Enterprises

    We study the degree and nature of political budget cycles in public investments when two instruments are available: investments by core governments and, more indirectly, by state-owned enterprises (SOEs). While…