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The Part-Time Pay Penalty in a Segmented Labor Market

  • Fernández-Kranz, Daniel


    (IE Business School, Madrid)

  • Rodríguez-Planas, Núria


    (Queens College, CUNY)

While much of the literature that investigates the part-time (PT) / full-time (FT) hourly wage differential and its causes focuses on average effects, very few studies analyze the heterogeneous effects of PT work across different subgroups, despite the policy relevance of understanding channels behind the (raw) PT penalty in different labor markets. This paper is the first to examine the implications of switching to PT work for women's subsequent earnings trajectories, distinguishing by their type of contract: permanent or fixed-term. Using a 21-year unbalanced Social Security records panel of over 76,000 prime-aged women strongly attached to the Spanish labor market, we find that PT work aggravates the segmentation of the labor market insofar there is a PT pay penalty and this penalty is larger and more persistent in the case of women with fixed-term contracts. The paper discusses problems arising in empirical estimation, and how to address them. It concludes with policy implications relevant for Continental Europe and its dual structure of employment protection.

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Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 4342.

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Length: 46 pages
Date of creation: Aug 2009
Date of revision:
Publication status: published in: Labour Economics, 2011, 18 (5), 591-606
Handle: RePEc:iza:izadps:dp4342
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