ZEW Discussion Papers

Overview

Researchers at the ZEW participate in scientific debates by publishing their papers. The papers are predominantly in English (marked). For the German papers an English abstract is available. The contributions are intended for a final publication in special interest titles. The discussion papers can be downloaded as PDF or PostScript files starting from 1.1.1998. They aimed at national and international target groups.

  1. ZEW Discussion Paper No. 18-020 // 2018

    Go for Gigabit? First Evidence on Economic Benefits of (Ultra-)Fast Broadband Technologies in Europe

    The literature on the effects of telecommunications infrastructure investments find positive macroeconomic effects, however, it is severely constrained because it could hitherto only analyze investment up to…

  2. ZEW Discussion Paper No. 18-018 // 2018

    New Evidence on Determinants of IP Litigation: A Market-based Approach

    We contribute to the economic literature on patent litigation by taking a new perspective. In the past, scholars mostly focused on specific litigation cases at the patent level and related technological…

  3. ZEW Discussion Paper No. 18-017 // 2018

    The Demand for Global and Local Environmental Protection – Experimental Evidence from Climate Change Mitigation in Beijing

    In this study, the real demand for global and local environmental protection in Beijing, China, is elicited and investigated. Participants from Beijing were offered the opportunity to contribute to voluntary…

  4. ZEW Discussion Paper No. 18-016 // 2018

    Idiosyncratic Risk, Aggregate Risk, and the Welfare Effects of Social Security

    We ask whether a pay-as-you-go financed social security system is welfare improving in an economy with idiosyncratic productivity and aggregate business cycle risk. We show analytically that the whole welfare…

  5. ZEW Discussion Paper No. 18-015 // 2018

    Cognition, Optimism and the Formation of Age-Dependent Survival Beliefs

    This paper investigates the roles psychological biases play in deviations between subjective survival beliefs (SSBs) and objective survival probabilities (OSPs). We model deviations between SSBs and OSPs through…

  6. ZEW Discussion Paper No. 18-014 // 2018

    Optimal Taxes on Capital in the OLG Model with Uninsurable Idiosyncratic Income Risk

    We characterize the optimal linear tax on capital in an Overlapping Generations model with two period lived households facing uninsurable idiosyncratic labor income risk. The Ramsey government internalizes the…

  7. ZEW Discussion Paper No. 18-013 // 2018

    Trust-Based Work Time and the Productivity Effects of Mobile Information Technologies in the Workplace

    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 Discussion Paper No. 18-011 // 2018

    Bank Credit Supply and Firm Innovation

    We analyze the causal effect of the credit supply shock to banks induced by interbank market disruptions in the recent financial crisis 2008/2009 on their business customers’ innovation activity. Using a…

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Kerstin Heres

Kerstin Heres

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