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The Survey on Labour Informality and Informal Wages: Design, Structure and Research Potential

Author

Listed:
  • Roberto Dell'Anno

    (Department of Economics and Statistics, University of Salerno and CELPE)

  • Lavinia Parisi

    (Department of Economics and Statistics, University of Salerno and CELPE)

  • Zouhair Ennaoumi

    (Department of Economics and Statistics, University of Salerno and CELPE)

Abstract

This paper introduces the Survey on Labour Informality and Informal Wages (INSEAI), a harmonised cross-country microdata resource designed to measure forms of labour informality that are only imperfectly observed in conventional labour-force, income, and administrative data. Fielded online in 2025–2026 across thirteen countries, the questionnaire elicits status-specific information on employment protection and registration, social-security coverage, payment arrangements, discrepancies between actual and officially recorded wages, and secondary employment. We document the survey architecture, adaptive routing, sample construction, coding rules, and wage-harmonisation procedures, and we distinguish an author-constructed three-category measure of informality from a stricter ILO-oriented binary operationalisation. The paper also evaluates the realised sample composition and the age post-stratification used for the four largest country samples. The main contribution of INSEAI is to provide a common instrument with unusually detailed information on within-job formality and undeclared remuneration.

Suggested Citation

  • Roberto Dell'Anno & Lavinia Parisi & Zouhair Ennaoumi, 2026. "The Survey on Labour Informality and Informal Wages: Design, Structure and Research Potential," CELPE Discussion Papers 181, CELPE - CEnter for Labor and Political Economics, University of Salerno, Italy.
    • Handle: RePEc:sal:celpdp:023548
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