ZEW Discussion Papers


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 // 2022

    Are the Supporters of Socialism the Losers of Capitalism? Conformism in East Germany and Transition Success

    The empirical literature is inconclusive about whether a country’s democratization has a long-lasting impact on former supporters or opponents of the bygone regime. With newly available individual-level data of…

  2. ZEW Discussion Paper // 2022

    The Rise of Process Claims: Evidence From a Century of U.S. Patents

    We document the occurrence of process claims in granted U.S. patents over the last century. Using novel data on the type of independent patent claims, we show an increase in the annual share of process claims of…

  3. ZEW Discussion Paper // 2022

    Privatizing Disability Insurance

    Public disability insurance (DI) programs in many countries face pressure to reduce their generosity in order to remain sustainable. In this paper, we investigate the welfare effects of giving a larger role to…

  4. ZEW Discussion Paper // 2022

    Green Start-Ups and the Role of Founder Personality

    Green start-ups play a vital role in the needed transition towards more environmentally sustainable economies. Yet our understanding of why some founders start green ventures and others do not remains…

  5. ZEW Discussion Paper // 2022

    Climate Change Affectedness and Innovation in German Firms

    Eco-innovations are crucial for the mitigation of climate change effects. It is therefore important to know if the existing climate change regulations and carbon pricing are appropriate and sufficient to trigger…

  6. ZEW Discussion Paper // 2022

    Using Big Data for Generating Firm-Level Innovation Indicators – A Literature Review

    Obtaining indicators on innovation activities of firms has been a challenge in economic research for a long time. The most frequently used indicators - R&D expenditure and patents - provide an incomplete picture…

  7. ZEW Discussion Paper // 2022

    Greenwashing in the US Metal Industry? A Novel Approach Combining SO2 Concentrations From Satellite Data, a Plant-Level Firm Database and Web Text Mining

    This Discussion Paper deals with the issue of greenwashing, i.e. the false portrayal of companies as environmentally friendly. The analysis focuses on the US metal industry, which is a major emission source of…

  8. ZEW Discussion Paper // 2022

    Artificial Intelligence and Firm-Level Productivity

    Artificial Intelligence (AI) is often regarded as the next general-purpose technology with a rapid, penetrating, and far-reaching use over a broad number of industrial sectors. A main feature of new…

  9. ZEW Discussion Paper // 2022

    Government Expenditure in the DINA Framework: Allocation Methods and Consequences for Post-Tax Income Inequality

    Constructing measures of post-tax income inequality that are consistent with national accounts requires the allocation of the entirety of government expenditure to individuals. About half of government…

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