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The public sector pay premium, compensating differentials and unions: propensity score matching evidence from Australia, Canada, Great Britain and the United States

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  • John Gibson

    (University of Waikato)

Abstract

Propensity score matching is used to estimate the size of the public sector pay premium in four countries. Three sets of matching covariates are used; worker characteristics only, then including job attributes and finally adding union membership. When worker characteristics and job attributes are controlled for, the public sector pay premium ranges from 30% in Canada to 19-20% in Australia and Great Britain and only 6% in the United States. Differences in job attributes between private sector and public sector workers make almost no difference to the estimated pay premium. But once differences in union membership across sectors are controlled for, the estimated public sector pay premium is reduced in all countries and disappears in Canada. This finding favors the hypothesis that the pay premium partially reflects rents accruing to public sector workers, obtained most probably with assistance from the actions of their labor unions.

Suggested Citation

  • John Gibson, 2009. "The public sector pay premium, compensating differentials and unions: propensity score matching evidence from Australia, Canada, Great Britain and the United States," Economics Bulletin, AccessEcon, vol. 29(3), pages 2325-2332.
    • Handle: RePEc:ebl:ecbull:eb-09-00255
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    References listed on IDEAS

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    1. James M. Poterba & Kim S. Rueben, 1998. "Fiscal Institutions and Public Sector Labor Markets," NBER Working Papers 6659, National Bureau of Economic Research, Inc.
    2. Dale Belman & John S. Heywood, 1990. "The Effect of Establishment and Firm Size On Public Wage Differentials," Public Finance Review, , vol. 18(2), pages 221-235, April.
    3. John Gibson & Steven Stillman, 2009. "Why Do Big Firms Pay Higher Wages? Evidence from an International Database," The Review of Economics and Statistics, MIT Press, vol. 91(1), pages 213-218, February.
    4. Gregory, Robert G. & Borland, Jeff, 1999. "Recent developments in public sector labor markets," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 53, pages 3573-3630, Elsevier.
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    Cited by:

    1. Gindling, T.H. & Hasnain, Zahid & Newhouse, David & Shi, Rong, 2020. "Are public sector workers in developing countries overpaid? Evidence from a new global dataset," World Development, Elsevier, vol. 126(C).
    2. Gerry H. Makepeace & Michael J. Peel, 2013. "Combining information from Heckman and matching estimators: testing and controlling for hidden bias," Economics Bulletin, AccessEcon, vol. 33(3), pages 2422-2436.
    3. Coppola, Andrea & Calvo-Gonzalez, Oscar, 2011. "Higher wages, lower pay : public vs. private sector compensation in Peru," Policy Research Working Paper Series 5858, The World Bank.

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    More about this item

    Keywords

    Compensating differentials; Propensity score matching; Public sector pay premium; Unions; Wages;
    All these keywords.

    JEL classification:

    • J3 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs
    • H1 - Public Economics - - Structure and Scope of Government

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