Discussion und Working Papers

  1. Discussion and Working Paper // 2025

    Survey: One Year into the COVID-19 Crisis – Views of the Self-employed

    In spring 2021, DIW Berlin, ZEW Mannheim, and the University of Trier conducted an online survey among self-employed persons to collect data about the situation of the self-employed in Germany one year after the…

  2. Discussion and Working Paper // 2025

    Corporate Taxes and Export Competition

    A broad empirical literature examines the impact of corporate taxes on firms’ investment, location, and tax avoidance behaviour. Other corporate adjustment margins have received little attention. In this paper,…

  3. Discussion and Working Paper // 2025

    Successful Entrepreneurs Come From the Top of the Earned Income Distribution

    Identifying high growth startups ex-ante and fostering their success is an important policy challenge. Using Swedish registry data, we show that previous labor market earnings of entrepreneurs is a simple…

  4. Discussion and Working Paper // 2025

    Child Penalty Estimation and Mothers' Age at First Birth

    We show that the widespread approach to estimate the career costs of motherhood -- so-called “child penalties” -- is prone to produce biased results, as it pools first-time mothers of all ages without accounting…