1. ZEW Discussion Paper No. 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…

  2. Refereed Journal // 2020

    The Long-Term Costs of Government Surveillance: Insights from Stasi Spying in East Germany

    We investigate the long-run effects of government surveillance on civic capital and economic performance, studying the case of the Stasi in East Germany. Exploiting regional variation in the number of spies and…

  3. ZEW Discussion Paper No. 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…

  4. ZEW Discussion Paper No. 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…

  5. ZEW Discussion Paper No. 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…

  6. Refereed Journal // 2020

    Do job creation schemes improve the social integration and well-being of the long-term unemployed?

    In this paper, we analyze the effects of a German job creation scheme (JCS) on the social integration and well-being of long-term unemployed individuals. Using linked survey and administrative data for…

  7. Refereed Journal // 2020

    Mobile Information Technologies and Firm Performance: The Role of Employee Autonomy

    We investigate whether the returns to mobile information and communication technology (ICT) in the workplace are contingent on granting employees autonomy over the structure of their workday through trust-based…

  8. ZEW Newsletter // 2020

    2020-03

    1. News
    2. Personalia
      • Supervisory Board
    3. Press Releases
    4. Recent Publications
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      • German Real Estate Finance Index (DIFI Report)
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      IN GERMAN
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