The Evolution of Inequality in Productivity and Wages: Panel Data Evidence
AbstractThere has been a remarkable increase in wage inequality in the US, UK and many other countries over the past three decades. A significant part of this appears to be within observable groups (such as age-gender-skill cells). A generally untested implication of many theories rationalizing the growth of within-group inequality is that firm-level productivity dispersion should also have increased. The relevant data for the US is problematic, so we utilize a UK panel dataset covering the manufacturing and non-manufacturing sectors since the early 1980s. We find evidence that productivity inequality has increased. Existing studies have underestimated this increased dispersion because they use data from the manufacturing sector which has been in rapid decline. Most of the increase in individual wage inequality has occurred because of an increase in inequality between firms (and within industries). Increased productivity dispersion appears to be linked with new technologies as suggested by models such as Caselli (1999) and is not primarily due to an increase in transitory shocks, greater sorting or entry/exit dynamics.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 13351.
Date of creation: Aug 2007
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Other versions of this item:
- Giulia Faggio & Kjell G. Salvanes & John Van Reenen, 2010. "The evolution of inequality in productivity and wages: panel data evidence," Industrial and Corporate Change, Oxford University Press, vol. 19(6), pages 1919-1951, December.
- Giulia Faggio & Kjell Salvanes & John Van Reenen, 2007. "The Evolution of Inequality in Productivity and Wages: Panel Data Evidence," CEP Discussion Papers dp0821, Centre for Economic Performance, LSE.
- D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity
- J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
- J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
- O31 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
This paper has been announced in the following NEP Reports:
- NEP-ALL-2007-09-02 (All new papers)
- NEP-BEC-2007-09-02 (Business Economics)
- NEP-EFF-2007-09-02 (Efficiency & Productivity)
- NEP-LAB-2007-09-02 (Labour Economics)
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