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Part-time Work and Wage Penalty Trend among Italian Women


  • Dario SCIULLI


  • Giuliana PARODI

    () (Universita' di Cagliari)


This paper studies the evolution of the full-time/part-time wage differential among Italian women for the period 1993-2004. A generalized Heckman selection model is applied to estimate the wage equations, controlling for endogeneity in the second step. An observed part-time wage penalty is found. However, using the Oaxaca decomposition technique we actually find a (decreasing) wage premium for part-timers. This can be explained either in terms of over-payment of given characteristics or in terms of the values of the discrimination and the selection components. The individuals’ choice concerning their own type of contract appears to be important in determining the sign and the extent of the wage gap.

Suggested Citation

  • Dario SCIULLI & Giuliana PARODI, 2008. "Part-time Work and Wage Penalty Trend among Italian Women," Rivista Internazionale di Scienze Sociali, Vita e Pensiero, Pubblicazioni dell'Universita' Cattolica del Sacro Cuore, vol. 116(2), pages 235-261.
  • Handle: RePEc:vep:journl:y:2008:v:116:i:2:p:235-261

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    References listed on IDEAS

    1. Pierre Cahuc & André Zylberberg, 2004. "Labor Economics," MIT Press Books, The MIT Press, edition 1, volume 1, number 026203316x, July.
    2. Peter A. Diamond, 1982. "Wage Determination and Efficiency in Search Equilibrium," Review of Economic Studies, Oxford University Press, vol. 49(2), pages 217-227.
    3. Acemoglu, Daron, 2001. "Good Jobs versus Bad Jobs," Journal of Labor Economics, University of Chicago Press, vol. 19(1), pages 1-21, January.
    4. Mortensen, Dale T. & Pissarides, Christopher A., 1999. "New developments in models of search in the labor market," Handbook of Labor Economics,in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 39, pages 2567-2627 Elsevier.
    5. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November.
    6. Andolfatto, David, 1996. "Business Cycles and Labor-Market Search," American Economic Review, American Economic Association, vol. 86(1), pages 112-132, March.
    7. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 279-298.
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    More about this item


    Wage penalty; part-time work; sample selection models;

    JEL classification:

    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • C2 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables


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