1. Refereed Journal // 2023

    Innovation in hyperlink and social media networks: Comparing connection strategies of innovative companies in hyperlink and social media networks

    This paper seeks to unveil how (geospatial) connection strategies associated with business innovation, differ between geolocated social media and hyperlink company networks. Thereby, we provide a first step…

  2. Expertises // 2023

    The effectiveness and distributional consequences of excess profit taxes or windfall taxes in light of the Commission's recommendation to Member States

    This study analyses the design and functioning of windfall profit taxes for energy suppliers in the EU. Based on profit data from 2021, the estimated revenue gains from the solidarity contribution amount to 4.4…

  3. ZEW expert brief No. 23-02 // 2023

    Magnitudes and Capital Key Divergence of the Eurosystem’s PSPP/PEPP Purchases

    In this report we update the quantitative analysis of the PEPP and PSPP conduct and analyze whether reinvestments are actually made in accordance to these claims. In prior versions of our report, we have…

  4. ZEW-Finanzmarktreport // 2023

    März 2023

    • Unsicherheit an den Finanzmärkten belastet Konjunkturerwartungen
    • Eurozone: konjunkturelle Erwartungen trüben sich
    • USA: Kollaps der Silicon Valley Bank drückt Konjunkturerwartungen deutlich
    • China:…
  5. ZEW Monthly // 2023

    03/2023 – Gender Disparities

    From Equal Pay Day to International Women's Day, March is all about gender equality and women's rights. These symbolic days underline the importance of women for society and the economy: they often have to…

  6. ZEW Discussion Paper No. 23-010 // 2023

    The Effect of Staged Project Management on Product Innovation: Evidence from a Firm Survey

    This study examines whether staged project management is beneficial or harmful for making product innovations. Using a unique firm survey for Japan, we find that firms that employed staged project management had…

  7. ZEW Discussion Paper No. 23-009 // 2023

    Serving the Right Menu of R&D Policy Instruments to Firms: An Analysis of Policy Mix Sequencing

    The R&D policy instrument mix concept has become increasingly important for understanding how public R&D support drives firm-level R&D. To-date, empirical studies have conceptualised the instrument mix as a…

  8. ZEW Discussion Paper No. 23-008 // 2023

    Founder Personality and Start-up Subsidies

    Start-up subsidies play an important role in supporting start-up innovation and performance. However, what characteristics help and hinder start-ups to seek start-up subsidies remains unclear. We study whether…

  9. Refereed Journal // 2023

    German Financial State Aid During COVID-19 Pandemic: Higher Impact Among Digitalized Self-Employed

    In response to strong revenue and income losses facing a large share of self-employed individuals during the COVID-19 pandemic, the German federal government introduced a €50bn emergency-aid program. Based on…