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. Discussion and Working Paper // forthcoming

    Strategies under distributional and strategic uncertaint

    I investigate the decision problem which arises in a game of incomplete information under two different types of uncertainty - uncertainty about other players’ type distributions and about other players’…

  3. 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…

  4. ZEW Monthly // 2024

    10/2024 – Transport

    Sales struggles for electric vehicles, the planned “combustion engine ban” from 2035, Deutsche Bahn’s reliability, and the debate over air taxis: transport is front and centre in our daily lives and the media.…

  5. Refereed Journal // 2024

    How unemployment benefit duration shapes startup motivation and growth

    Business creation is economically important, and unemployment precedes the creation of a substantial share of new firms. Yet, most research has focused on analyzing the effects of unemployment insurance policies…

  6. ZEW policy brief No. 24-18 // 2024

    Einordnung des deutlichen Anstiegs der krankheitsbedingten Fehlzeiten seit 2022

    Seit 2022 sind die krankheitsbedingten Fehlzeiten laut übereinstimmender Berichte und auf Basis unterschiedlicher Datenquellen stark angestiegen. Es gilt festzuhalten, dass es in Deutschland keine einheitliche…

  7. Refereed Journal // 2024

    What are the priorities of bureaucrats? Evidence from conjoint experiments with procurement officials

    While effective bureaucracy is crucial for state capacity, its decision-making remains a black box. We elicit preferences of 900+ real-world public procurement officials in Finland and Germany. This is an…