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Wage inequality, technology and trade: 21st Century evidence

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  • John Van Reenen

Abstract

This paper describes and explains some of the principal trends in the wage and skilldistribution in recent decades. There have been sharp increases in wage inequality across theOECD, beginning with the US and UK at the end of the 1970s. A good fraction of thisinequality growth is due to technology-related increases in the demand for skilled workersoutstripping the growth of their supply. Since the early 1990s, labour markets have becomemore polarized with jobs in the middle third of the wage distribution shrinking and those inthe bottom and top third rising. I argue that this is because computerization complements themost skilled tasks, but substitutes for routine tasks performed by middle wage occupationssuch as clerks, leaving the demand for the lowest skilled service tasks largely unaffected.Finally, I argue that technology is partly endogenous, for example it has been spurred bytrade with China. Thus, trade does matter for changes in the labour market through inducingfaster technical change rather than just through the conventional Heckscher-Ohlinmechanism.

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File URL: http://eprints.lse.ac.uk/47494/
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Bibliographic Info

Paper provided by London School of Economics and Political Science, LSE Library in its series LSE Research Online Documents on Economics with number 47494.

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Length: 46 pages
Date of creation: May 2011
Date of revision:
Handle: RePEc:ehl:lserod:47494

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Keywords: wage inequality; technology; trade; polarization;

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References

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Citations

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Cited by:
  1. Semih Akcomak & Henri de Groot & Stefan Groot, 2013. "The impact of trade, offshoring and multinationals on job loss and job finding," CPB Discussion Paper 252, CPB Netherlands Bureau for Economic Policy Analysis.
  2. Nathalie Chusseau & Joël Hellier, 2012. "Globalization and Inequality: Where do we stand?," Working Papers 279, ECINEQ, Society for the Study of Economic Inequality.
  3. Keiichi Kishi, 2013. "Dynamic analysis of wage inequality and creative destruction," Discussion Papers in Economics and Business 13-20, Osaka University, Graduate School of Economics and Osaka School of International Public Policy (OSIPP).
  4. Joël Hellier, 2012. "North-South Globalization and Inequality," Working Papers 273, ECINEQ, Society for the Study of Economic Inequality.
  5. Antonio accetturo & Alberto Dalmazzo & Guido De Blasio, 2011. "Skill Polarization in Local Labour Markets under Share-Altering Technical Change," Department of Economics University of Siena 625, Department of Economics, University of Siena.
  6. Hynninen, Sanna-Mari & Ojala, Jari & Pehkonen, Jaakko, 2013. "Technological change and wage premiums: Historical evidence from linked employer–employee data," Labour Economics, Elsevier, vol. 24(C), pages 1-11.
  7. Pekkarinen, Tuomas, 2012. "Gender Differences in Education," IZA Discussion Papers 6390, Institute for the Study of Labor (IZA).
  8. Anwar, Sajid & Sun, Sizhong & Valadkhani, Abbas, 2013. "International outsourcing of skill intensive tasks and wage inequality," Economic Modelling, Elsevier, vol. 31(C), pages 590-597.

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