Publications of the Research Unit Labour Markets and Social Insurance

  1. Refereed Journal // forthcoming

    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…

  2. Refereed Journal // 2025

    Computers as Stepping Stones? Technological Change and Equality of Labor Market Opportunities

    This  paper  analyzes  whether  technological  change  improves  equality  of  labormarket opportunities by increasing the returns to skills relative to the returns toparental background.  We find that in…

  3. ZEW Discussion Paper No. 24-062 // 2024

    No Teens, No Tech: How Shortages of Young Workers Hinder Firm Technology Investments

    Firms in developed countries face increasing shortages of young workers. This paper studies the importance of young workers, particularly vocational trainees, for firm technology investments. Leveraging…

  4. ZEW Discussion Paper No. 24-059 // 2024

    Civil Rights Protests and Election Outcomes: Exploring the Effects of the Poor People’s Campaign

    The Poor People’s Campaign (PPC) of 1968 was focused on highlighting, and ultimately reducing, poverty in the United States. As part of the campaign, protestors from across the country were transported to…

  5. ZEW Discussion Paper No. 24-058 // 2024

    Dynamic Responses to Smoking Bans: Evidence From Young Adults in a Developing Country

    Smoking bans have been widely implemented, despite mixed evidence on their effectiveness in reducing firsthand smoking. This paper provides novel insights into the dynamic impacts of smoking bans in the context…

  6. ZEW policy brief No. 24-14 // 2024

    Digitale Transformation auf Sparflamme: Weniger 4.0-Investitionen in der Pandemie

    Während der Covid-19-Pandemie kam es entgegen der öffentlich herrschenden Meinung zu keiner Beschleunigung der digitalen Transformation in Deutschland. Das zeigen Ergebnisse der neuen Betriebsbefragung…

  7. ZEW Discussion Paper No. 24-057 // 2024

    Firm-Level Technology Adoption in Times of Crisis

    This study investigates how crises affect firms’ adoption of frontier technologies using the Covid-19 pandemic as a case study. The analysis tracks the nature, timing, and pandemic-related motivations of…