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Productivity Shocks, Unemployment Persistence, and the Adjustment of Real Wages in OECD Countries

  • Pascalau, Razvan

This paper applies a set of unit root and cointegration tests with non-linear error-correction mechanisms to a subset of the OECD countries to investigate the empirical conclusions of some of the labor market models in the literature. I generally find that the unemployment rate, productivity, and real wages have a unit root even if one controls for threshold effects. This finding justifies the use of a cointegration approach to assess the existence of a long-run equilibrium among the variables of interest. For roughly half of the OECD countries in the sample, the unemployment rate, real wages, and productivity trend together over time. For four countries (i.e, Germany, Japan, Sweden, and the US) the adjustment to the long run relationship appears mostly asymmetric. Also, an impulse response function analysis suggests that real wages and productivity adjust faster to the long-run equilibrium, while shocks to unemployment take longer to extinguish. Also, according to the sign of the shocks, the unemployment rates respond differently. These findings suggest that a proper analysis of the behavior of productivity, real wages, and unemployment should consider non-linear adjustment mechanisms to long-run equilibrium since a liner approach would be biased.

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File URL: http://mpra.ub.uni-muenchen.de/7222/1/MPRA_paper_7222.pdf
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 7222.

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Date of creation: 11 Jul 2007
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Handle: RePEc:pra:mprapa:7222
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  1. Chiarini, Bruno & Piselli, Paolo, 1997. "Wage Setting, Wage Curve and Phillips Curve: The Italian Evidence," Scottish Journal of Political Economy, Scottish Economic Society, vol. 44(5), pages 545-65, November.
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  13. Dibooglu, Selahattin & Enders, Walter, 2001. "Do Real Wages Respond Asymmetrically to Unemployment Shocks? Evidence from the U.S. and Canada," Journal of Macroeconomics, Elsevier, vol. 23(4), pages 495-515, October.
  14. Enders, Walter & Granger, C. W. J., 1998. "Unit Root Tests and Asymmetric Adjustment with an Example Using the Term Structure of Interest Rates," Staff General Research Papers 1388, Iowa State University, Department of Economics.
  15. Hall, S G, 1986. "An Application of the Granger & Engle Two-Step Estimation Procedure to United Kingdom Aggregate Wage Data," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 48(3), pages 229-39, August.
  16. Enders, Walter & Siklos, Pierre L, 2001. "Cointegration and Threshold Adjustment," Journal of Business & Economic Statistics, American Statistical Association, vol. 19(2), pages 166-76, April.
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