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. 20-054 // 2020

    Cost-Effcient Transition to Clean Energy Transportation Services

    Comprehensive global decarbonization will require that transportation services cease to rely on fossil fuels. Here we develop a generic life-cycle cost model to address two closely related questions central to…

  2. ZEW Discussion Paper No. 20-053 // 2020

    Birth Cohort Size Variation and the Estimation of Class Size Effects

    We show that in school systems with grade retention or redshirting, birth cohort size is negatively related to the grade-level share of students who are too old for their grade. This compositional effect gives…

  3. ZEW Discussion Paper No. 20-052 // 2020

    Complementary Bidding and the Collusive Arrangement: Evidence from an Antitrust Investigation

    A number of recent papers have proposed that a pattern of isolated winning bids may be associated with collusion. In contrast, others have suggested that bid clustering, especially of the two lowest bids, is…

  4. ZEW Discussion Paper No. 20-051 // 2020

    Internal Digitalization and Tax-Efficient Decision Making

    Our study investigates firms’ internal digitalizationas a crucial foundation for timely, data-driven decision making. We evaluate the association between digital infrastructure and improved decision making intax…

  5. ZEW Discussion Paper No. 20-050 // 2020

    The Effect of Childcare on Parental Earnings Trajectories

    We study the effect of childcare availability on child penalties. Using Swiss administrative data, we exploit the staggered opening od childcare facilities across municipalities in the canton of Bern. We find…

  6. ZEW Discussion Paper No. 20-049 // 2020

    Transitions from Lower Track Secondary Schools into Vocational Training: Does a Detour Pay Off?

    This paper analyzes the effect of alternative transition paths after grade 9 of German lower secondary school on vocational training. Using a selection-on-observables approach I show that a delayed transition…

  7. ZEW Discussion Paper No. 20-048 // 2020

    Are there Rebound Effects from Electric Vehicle Adoption? Evidence from German Household Data

    Widespread electric vehicle adoption is considered a major policy goal in order to decarbonize the transport sector. However, potential rebound effects both in terms of vehicle ownership and distance traveled…

  8. ZEW Discussion Paper No. 20-047 // 2020

    How Do Taxes Affect the Trading Behavior of Private Investors? Evidence from Individual Portfolio Data

    We exploit a large reform of capital-gains taxation in Germany combined with portfolio-level daily panel data to study the causal effect of taxes on individual stock-trading behavior and the disposition effect.…

  9. ZEW Discussion Paper No. 20-046 // 2020

    Intangible Capital Indicators Based on Web Scraping of Social Media

    Knowledge-based capital is a key factor for productivity growth. Over the past 15 years, it has been increasingly recognised that knowledge-based capital comprises much more than technological knowledge and that…

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