1. ZEW Discussion Paper No. 24-035 // forthcoming

    Do Politicians Affect Firm Outcomes? Evidence from Connections to the German Federal Parliament

    We study how connections to German federal parliamentarians affect firm dynamics by constructing a novel dataset to measure connections between politicians and the universe of firms. To identify the causal…

  2. 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…

  3. 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’…

  4. Contributions to Edited Volumes and Conference Proceedings // forthcoming

    Bewertungskriterien von Fördersystemen aus ökonomischer Sicht

  5. 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…

  6. ZEW Discussion Paper No. 24-036 // 2024

    Framing Effects in Consumer Expectations Surveys

    In a randomized experiment embedded in a survey, I test the effects of variations in question wording and format on consumer response behavior and the corresponding inflation expectations. To this end, survey…

  7. ZEW Discussion Paper No. 24-034 // 2024

    Enhancing Objectivity and Decision Relevance: A Better Framework for Evaluating Cohesion Policies

    By international comparison as well as compared to other EU policies, the EU‘s Cohesion Policy (CP) evaluation system is far developed and institutionalized. This paper analyses the remaining gaps and…

  8. ZEW Discussion Paper No. 24-031 // 2024

    Cluster Policy, Innovation, and Firm Productivity. An Econometric Assessment of the Flemish Spearhead Cluster Program

    The Flemish government launched its Spearhead Cluster (SHC) policy in 2017. The aim is to boost strategic sectors by setting up cluster initiatives which coordinate collaborative R&D initiatives. In this paper,…

  9. ZEW Annual Report // 2024

    2023

    The Middle East conflict, two years of war in Ukraine, four years of stagnation – the increasingly uncertain situation took its toll on the economy and society in 2023. At the same time, Germany and Europe are…