Decoupling of Wage Growth and Productivity Growth? Myth and Reality
It is widely believed that in the US wage growth has fallen massively behind productivity growth. Recently, it has also been suggested that the UK is starting to follow the same path. Analysts point to the much faster growth of GDP per hour than median wages. We distinguish between "net decoupling" - the difference in growth of GDP per hour deflated by the GDP deflator and average compensation deflated by the same index - and "gross decoupling" - the difference in growth of GDP per hour deflated by the GDP deflator and median wages deflated by a measure of consumer price inflation. We would expect that over the long-run real compensation growth deflated by the producer price (the labour costs that employers face) should track real labour productivity growth (value added per hour), so net decoupling should only occur if labour's share falls as a proportion of gross GDP, something that rarely happens over sustained periods. We show that over the past 40 years that there is almost no net decoupling in the UK, although there is evidence of substantial gross decoupling in the US and, to a lesser extent, in the UK. This difference between gross and net decoupling can be accounted for essentially three factors (i) compensation inequality (which means the average compensation is growing faster than the median compensation), (ii) the wedge between compensation (which includes employer-provided benefits like pensions and health insurance) and wages which do not and (iii) differences in the GDP deflator and the consumer price deflator (i.e. producer wages and consumption wages). These three factors explain basically ALL of the gross decoupling leaving only a small amount of "net decoupling". The first two factors are important in both countries, whereas the difference in price deflators is only important in the US.
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- Dew-Becker, Ian & Gordon, Robert J, 2005.
"Where did the Productivity Growth Go? Inflation Dynamics and the Distribution of Income,"
CEPR Discussion Papers
5419, C.E.P.R. Discussion Papers.
- Ian Dew-Becker & Robert J. Gordon, 2005. "Where Did the Productivity Growth Go? Inflation Dynamics and the Distribution of Income," NBER Working Papers 11842, National Bureau of Economic Research, Inc.
- Olivier Blanchard & Francesco Giavazzi, 2003. "Macroeconomic Effects of Regulation and Deregulation in Goods and Labor Markets," The Quarterly Journal of Economics, Oxford University Press, vol. 118(3), pages 879-907.
- Olivier Blanchard & Francesco Giavazzi, "undated". "Macroeconomic effects of regulation and deregulation in goods and labor markets," Working Papers 187, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
- Olivier Blanchard & Francesco Giavazzi, 2001. "Macroeconomic Effects of Regulation and Deregulation in Goods and Labor Markets," NBER Working Papers 8120, National Bureau of Economic Research, Inc.
- Blanchard, Olivier J & Giavazzi, Francesco, 2001. "Macroeconomic Effects of Regulation and Deregulation in Goods and Labour Markets," CEPR Discussion Papers 2713, C.E.P.R. Discussion Papers.
- Alan B. Krueger, 1999. "Measuring Labor's Share," American Economic Review, American Economic Association, vol. 89(2), pages 45-51, May.
- Alan Krueger, 1999. "Measuring Labor's Share," NBER Working Papers 7006, National Bureau of Economic Research, Inc.
- Douglas Gollin, 2002. "Getting Income Shares Right," Journal of Political Economy, University of Chicago Press, vol. 110(2), pages 458-474, April.
- Douglas Gollin, 2001. "Getting Income Shares Right," Department of Economics Working Papers 2001-11, Department of Economics, Williams College.
- Dean Baker, 2007. "The Productivity to Paycheck Gap: What the Data Show," CEPR Reports and Issue Briefs 2007-11, Center for Economic and Policy Research (CEPR).
- Ian Dew-Becker & Robert J. Gordon, 2005. "Where Did Productivity Growth Go? Inflation Dynamics and the Distribution of Income," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 36(2), pages 67-150. Full references (including those not matched with items on IDEAS)