Decomposing the temporary-permanent wage gap in New Zealand

Gail Pacheco and Bill Cochrane
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Bill Cochrane: School of Social Sciences, The University of Waikato

No 2015-07, Working Papers from Auckland University of Technology, Department of Economics

Abstract: Recent years have seen a push for greater labour market flexibility, and an accompanying upsurge of interest in temporary employment and the negative outcomes often associated with such employment arrangements. This study focusses on the pay outcome and investigates the presence of wage discrimination against the temporary workforce in New Zealand. This country is a useful case study here, because of the very low levels of employment protection legislation afforded temporary workers, relative to the rest of the OECD. The temporary-permanent wage gap is assessed via two alternative methodologies: Oaxaca decomposition and propensity score matching (PSM). In the former of these we find that much of the wage difference is explained by observables. In contrast to this result, when we compare observably similar permanent and temporary workers (via PSM), we find evidence of a substantial pay penalty of between 12-17 percent, which varies substantially across different types of temporary employment.

Keywords: temporary work; compensating wage differential; propensity score matching (search for similar items in EconPapers)
Pages: 26 pages
Date: 2015-07
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Citations: View citations in EconPapers (1)

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