1. ZEW Discussion Paper No. 21-103 // 2021

    Combating Online Hate Speech: The Impact of Legislation on Twitter

    We analyze the impact of the Network Enforcement Act, the first regulation which aims at restraining hate speech on large social media platforms. Using a difference-in- differences framework, we measure the…

  2. ZEW Discussion Paper No. 21-102 // 2021

    The 2015 Refugee Inflow and Concerns Over Immigration

    How did the large asylum-seeker inflow to Germany in 2015 affect concerns about immigration? Using individual-level panel data for the years 2012–2018, I show that after 2015 concerns about immigration increased…

  3. ZEW Discussion Paper No. 21-101 // 2021

    Transitions From Offline to Online Labor Markets: The Relationship Between Freelancers’ Prior Offline and Online Work Experience

    An emerging stream of research from various disciplines studies online labor market (OLM) platforms as an alternative way of accomplishing work compared to traditional (offline) labor markets. Although prior…

  4. ZEW Discussion Paper No. 21-099 // 2021

    Die Rolle der betrieblichen Altersvorsorge für die Einkünfte im Alter – aktuelle Evidenz und Datengrundlagen

    Despite the socio-political importance of occupational pensions since the pension reforms of the 1990s and 2000s, the incomplete evidence base, lack of transparency and lack of data have been regularly…

  5. ZEW Discussion Paper No. 21-100 // 2021

    Data Resource Profile: The ZEW FMS Dataset

    The ZEW Financial Market Survey is a monthly panel survey among financial market experts that was launched in December 1991. The survey focuses on the experts’ expectations about international financial markets…

  6. ZEW Discussion Paper No. 21-098 // 2021

    Imperfect Information About Consumer Rights: Implications for Efficiency and Distribution

    This paper shows that the provision of consumer rights can decrease welfare when some consumers remain ignorant of these rights. We find that consumers uninformed about a mandated warranty demand excessively…

  7. ZEW Discussion Paper No. 21-097 // 2021

    Subsidies and Innovation in the Recent Financial Crisis

    We analyze the impact of subsidies on R&D expenditures in the financial crisis and beyond. The financial crisis has led to considerable turmoil in financing and, as a result, to restrictions of firms' access to…

  8. ZEW Discussion Paper No. 21-096 // 2021

    Tax Policies in a Transition to a Knowledge-Based Economy – The Effective Tax Burden of Companies and Highly Skilled Labour

    Globalisation and the fast-approaching digitalisation increase capital as well as labour mobility fostering tax competition among countries worldwide. Based on a unique dataset, we analyse the development of…

  9. Discussion and Working Paper // 2021

    Firms Going Digital: Tapping into the Potential of Data for Innovation

    This paper aims to help policy makers understand and improve the conditions for firms to thrive in an increasingly digital economy where data has become an important resource for innovation. The paper: 1)…

  10. ZEW Newsletter // 2021

    2021-12

    IN ENGLISH

    IN GERMAN

    1. News
    2. Calls for Papers
      • ZEW Conference on Ageing and Sustainable Finance (6-8 April 2022)
      • Tenth Mannheim Conference on Energy and the Environment (16-17 May 2022)
    3. Personalia
      • A…
  11. Refereed Journal // 2021

    Election Cycles in European Public Procurement

    We study the existence of election cycles in public procurement in the European Union. Along the procurement process, we separately analyze contract notices, contract awards, and project completions. We point…