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Harmonising French and German administrative DADS-EDP and SIAB data : A practical guide on how to create comparable data sets on maternal employment

Author

Listed:
  • Filser, Andreas

    (Institute for Employment Research (IAB), Nuremberg, Germany ; Institute for Employment Research, Nuremberg, Germany)

  • Achard, Pascal

    (Paris Dauphine University - PSL, Paris Cedex 16, France)

  • Amend, Inga Marie

    (Institute for Employment Research (IAB), Nuremberg, Germany ; Friedrich-Alexander University Erlangen-Nürnberg (FAU), Nuremberg, Germany ; Institute for Employment Research, Nuremberg, Germany)

  • Frodermann, Corinna

    (Institute for Employment Research (IAB), Nuremberg, Germany ; Institute for Employment Research, Nuremberg, Germany)

  • Gaede, Ida

    (Sciences Po, Centre for Research on Social Inequalities (CRIS), CNRS, Paris, France)

  • Wagner, Sander

    (Nuffield College, University of Oxford, Oxford, UK ; Leverhulme Centre for Demographic Science, University of Oxford, Oxford, UK)

Abstract

"Administrative data are increasingly used in social science research, including for studying the labour market consequences of motherhood. Yet despite the growing use of such data within countries, cross-national comparative research remains limited because administrative data require substantial harmonisation before meaningful comparisons are possible. In this paper, we harmonise two rich administrative data sets suitable for comparative research on maternal employment: the French DADS-EDP and the German SIAB. France and Germany present a compelling case for such comparisons given their differing norms and policies regarding childcare and maternal employment. We document our harmonisation decisions on data structure, sample selection, employment measurement, and key socio-economic variables, and provide the full Stata code as supplementary material. We illustrate the potential of the harmonised data by examining how maternal employment trajectories evolve over time in France, West Germany, and East Germany. The analysis reveals substantial cross-national and temporal variation in employment trajectories after childbirth, highlighting the value of harmonised administrative data for comparative research on maternal employment." (Author's abstract, IAB-Doku) ((en))

Suggested Citation

  • Filser, Andreas & Achard, Pascal & Amend, Inga Marie & Frodermann, Corinna & Gaede, Ida & Wagner, Sander, 2026. "Harmonising French and German administrative DADS-EDP and SIAB data : A practical guide on how to create comparable data sets on maternal employment," Journal for Labour Market Research, Institut für Arbeitsmarkt- und Berufsforschung (IAB), Nürnberg [Institute for Employment Research, Nuremberg, Germany], vol. 60, pages 1-008.
    • Handle: RePEc:iab:iabjlr:v:60:i::p:a008
    DOI: 10.1186/s12651-026-00430-8
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    More about this item

    JEL classification:

    • C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access
    • J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth
    • J16 - Labor and Demographic Economics - - Demographic Economics - - - Economics of Gender; Non-labor Discrimination
    • J21 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Force and Employment, Size, and Structure
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply

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