Empirical Economics

, Volume 18, Issue 3, pp 393–415

Alternative interpretations of hours information in an econometric model of labour supply


  • Richard Blundell
    • University College London and Institute for Fiscal Studies
  • Francois Laisney
    • BETAUniversité Louis Pasteur
    • Zentrum fur Europuische Wirtschaftsforschung (ZEW)
  • Michael Lechner
    • University of Mannheim and Zentrum fur Europuische Wirtschaftsforschung (ZEW)

DOI: 10.1007/BF01176195

Cite this article as:
Blundell, R., Laisney, F. & Lechner, M. Empirical Economics (1993) 18: 393. doi:10.1007/BF01176195


This paper examines the labour supply behaviour of married women in France. A sequence of models is specified and estimated which incorporate different amounts of information on observed weekly hours. In all models the distinction is drawn between search and non-participation among non-workers. We provide extensive specification diagnostics, including Heckman-Andrews tests, as well as Hausman tests for the comparison of different handlings of the hours information. It turns out that distinguishing between part-time, full-time and long hours gives virtually the same results as treating observed hours as reflecting desired hours.

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© Physica-Verlag 1993