1. 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…

  2. 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…

  3. 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…

  4. 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…

  5. Refereed Journal // 2023

    The Distorting Effects of Imputation Systems on Tax Competition in the EU

    The design of corporate income tax systems and thus the taxation of (cross-border) dividends are encompassed within the sovereignty of the Member States of the European Union (EU). However, these rules are…

  6. Contributions to Edited Volumes and Conference Proceedings // 2023

    Die Anti-Stau-Maut

  7. Non-Refereed Journal // 2023

    Wettbewerb in der digitalen Ökonomie

    There is hardly a topic in economic policy that has occupied so many commissions, committees and ad-hoc bodies worldwide as the question of the “right” competition policy in the digital world. The economic…

  8. Refereed Journal // 2023

    Measuring Process Innovation Output in Firms: Cost Reduction versus Quality Improvement

    Process innovation is an important part of the innovation activities of firms and supposed to significantly contribute to the returns from innovation. Analysing this link is complicated, however, due to a lack…

  9. ZEW policy brief No. 23-05 // 2023

    Tailoring Migration Policies to Address Labour Shortages

    Labour markets in the European Union are increasingly facing labour shortages. This ZEW Policy Brief argues that immigration from third countries should be increased to alleviate bottlenecks in the supply of…

  10. Discussion and Working Paper // 2023

    Transparency and Policy Competition: Experimental Evidence from German Citizens and Politicians

    A lack of transparency about policy performance can pose a major obstacle to welfare-enhancing policy competition across jurisdictions. In parallel surveys with German citizens and state parliamentarians, we…

  11. ZEW Discussion Paper No. 23-007 // 2023

    Transparency and Policy Competition: Experimental Evidence From German Citizens and Politicians

    A lack of transparency about policy performance can pose a major obstacle to welfare-enhancing policy competition across jurisdictions. In parallel surveys with German citizens and state parliamentarians, we…

  12. Refereed Journal // 2023

    Public Perception of Advanced Aviation Technologies: A Review and Roadmap to Acceptance

    The aviation industry has seen a lot of innovation over the last 125 years. Advancements such as transatlantic flight and the development of avionics technologies and composite materials have changed how we…