ZEW Discussion Papers

Researchers at the ZEW participate in scientific debates by publishing their papers. The papers are predominantly in English (marked). For the German papers an English abstract is available. The contributions are intended for a final publication in special interest titles. The discussion papers can be downloaded as PDF or PostScript files starting from 1.1.1998. They aimed at national and international target groups.

  1. ZEW Discussion Paper No. 26-046 // 2026

    AI Adoption by Firms: Insights from the Literature and the German Innovation Survey

    This paper provides an overview of evidence on firms’ adoption of Artificial Intelligence (AI). We revisit the main conceptual drivers of AI uptake discussed in the literature and summarize global trends in AI…

  2. ZEW Discussion Paper No. 26-045 // 2026

    Entry Motivations Shape Preferences for Social Protection Among Platform Workers

    We study platform workers' preferences for social protection — in the form of sick pay and paid annual leave — distinguishing between workers who entered platform work out of economic necessity (the "pushed")…

  3. ZEW Discussion Paper No. 26-044 // 2026

    The ZEW Mannheim Enterprise Panel for the Analysis of Longitudinal Business Dynamism (MUP–LBD)

    The ZEW Mannheim Enterprise Panel for the Analysis of Longitudinal Business Dynamism (MUP–LBD) is a comprehensive micro database of businesses observed in Germany, covering the period 2000–2023 and comprising…

  4. ZEW Discussion Paper No. 26-042 // 2026

    Free to Roam, Hard to Tax? The Tax Implications of Digital Nomad Visas in the EU

    A growing number of countries have introduced Digital Nomad Visas (DNVs) to accommodate the rise of location-independent remote work, often paired with tax incentives. Using simulation analysis, this paper…

  5. ZEW Discussion Paper No. 26-041 // 2026

    Why Don’t Donors Deduct? Social Norms and the Limits of Tax Incentives

    Many donors leave tax benefits unclaimed even when doing so requires minimal effort and yields meaningful financial rewards. Findings from our representative survey point to confusion about how to deduct…

  6. ZEW Discussion Paper No. 26-040 // 2026

    The Cost of Fairness in Electricity Markets

    European policymakers argue that bidding zones with uniform prices ensure fairness in electricity markets. Since the outcome of such a fair spot market is often infeasible due to network constraints, a second…

  7. ZEW Discussion Paper No. 26-038 // 2026

    Injunction Frameworks and the Licensing of Standard-Essential Patents

    We develop a licensing-litigation model to analyze how different injunction frameworks affect bargaining behavior, equilibrium royalties, and litigation out comes in standard-essential patent (SEP) disputes.…

  8. ZEW Discussion Paper No. 26-037 // 2026

    Market Creation Without Market Authority: Ex-Ante Evidence from European Emissions Trading

    By extending carbon pricing to buildings and road transport through ETS2, the European Union is undertaking a major policy experiment in market creation. ETS2 overlaps national emissions budgets and technology…