ZEW Discussion Papers

Überblick

Mit diesen Beiträgen, die überwiegend in Englisch verfasst sind, beteiligen sich die Forscher/innen des ZEW an wissenschaftlichen Fachdebatten. Die Publikationen enthalten vorläufige Beiträge, die zur Veröffentlichung in Fachzeitschriften vorgesehen sind. Die Discussion Papers können ab 1.1.1998 als pdf-Datei abgerufen werden. Sie richten sich an nationale und internationale Zielgruppen.

  1. ZEW Discussion Paper Nr. 20-018 // 2020

    R&D Investment Under Financing Constraints

    This paper tests for the sensitivity of R&D to financing constraints conditional on restrictions in external financing. Financing constraints of firms are identified by an exogenously calculated rating index.…

  2. ZEW Discussion Paper Nr. 20-017 // 2020

    On Event Studies and Distributed-Lags in Two-Way Fixed Effects Models: Identification, Equivalence, and Generalization

    We discuss important properties and pitfalls of panel-data event study designs. We derive three main results. First, binning of effect window endpoints is a practical necessity and key for identification of…

  3. ZEW Discussion Paper Nr. 20-016 // 2020

    Fiscal and Individual Rates of Return to University Education With and Without Graduation

    Based on a detailed model of the German tax-benefit system, this paper simulates private and fiscal returns to education for college graduates and college dropouts. Completing a five-year college degree is found…

  4. ZEW Discussion Paper Nr. 20-015 // 2020

    The Ratchet Effect in Social Dilemmas

    In this paper, we investigate whether dynamic incentive schemes lead to a ratchet effect in a social dilemma. We test whether subjects strategically restrict their contribution levels at the beginning of a…

  5. ZEW Discussion Paper Nr. 20-014 // 2020

    A Small Volume Reduction that Melts Down the Market: Auctions with Endogenous Rationing

    Auctions with endogenous rationing have been introduced to stimulate competition. Such (procurement) auctions reduce the volume put out to tender when competition is low. This paper finds a strong negative…

  6. ZEW Discussion Paper Nr. 20-013 // 2020

    The Evolution of Inequality of Opportunity in Germany: A Machine Learning Approach

    We show that measures of inequality of opportunity (IOP) fully consistent with Roemer (1998)'s IOP theory can be straightforwardly estimated by adopting a machine learning approach, and apply our novel method to…

  7. ZEW Discussion Paper Nr. 20-012 // 2020

    The Value of Publicly Available, Textual and Non-textual Information For Startup Performance Prediction

    Can publicly available, web-scraped data be used to identify promising business startups at an early stage? To answer this question, we use such textual and non-textual information about the names of Danish…

  8. ZEW Discussion Paper Nr. 20-011 // 2020

    Climate Policies Under Dynamic International Economic Cycles: A Heterogeneous Countries DSGE Model

    In light of increased economic integration and global warming, addressing critical issues such as the role of multilateral climate policies and the strategic interaction of countries in climate negotiations…

  9. ZEW Discussion Paper Nr. 20-010 // 2020

    Which Design Works? A Meta-Regression Analysis of the Impacts of R&D Tax Incentives

    A growing interest in R&D tax incentives as a way to sustain research and innovation efforts has given rise to a large number of evaluations. The absence of consensus in the literature about their impact on R&D…

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