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Changes in the Distribution of Male and Female Wages Accounting for Employment Composition Using Bounds

  • Blundell, Richard William
  • Gosling, Amanda
  • Ichimura, Hidehiko
  • Meghir, Costas

This Paper examines changes in the distribution of wages using bounds to allow for the impact of non-random selection into work. We show that bounds constructed without any economic or statistical assumptions can be informative. Since employment rates in the UK are often low they are not informative about changes in educational or gender wage differentials. Thus we explore ways to tighten these bounds using restrictions motivated from economic theory. With these assumptions we find convincing evidence of an increase in inequality within education groups, changes in the ‘return’ to education and increases in the relative wages of women.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4705.

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Date of creation: Oct 2004
Date of revision:
Handle: RePEc:cpr:ceprdp:4705
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  1. Susan Harkness, 1996. "The gender earnings gap: evidence from the UK," Fiscal Studies, Institute for Fiscal Studies, vol. 17(2), pages 1-36, May.
  2. Disney, Richard & Webb, Steven, 1991. "Why Are There So Many Long Term Sick in Britain?," Economic Journal, Royal Economic Society, vol. 101(405), pages 252-62, March.
  3. Guido Imbens & Charles F. Manski, 2003. "Confidence intervals for partially identified parameters," CeMMAP working papers CWP09/03, Centre for Microdata Methods and Practice, Institute for Fiscal Studies.
  4. Blau, Francine D. & Kahn, Lawrence M., 2006. "The U.S. Gender Pay Gap in the 1990s: Slowing Convergence," IZA Discussion Papers 2176, Institute for the Study of Labor (IZA).
  5. Derek Neal, 2002. "The Measured Black-White Wage Gap Among Women is Too Small," NBER Working Papers 9133, National Bureau of Economic Research, Inc.
  6. Joshua D. Angrist & Guido W. Imbens, 1995. "Identification and Estimation of Local Average Treatment Effects," NBER Technical Working Papers 0118, National Bureau of Economic Research, Inc.
  7. James J. Heckman & Edward Vytlacil, 2005. "Structural Equations, Treatment Effects and Econometric Policy Evaluation," NBER Technical Working Papers 0306, National Bureau of Economic Research, Inc.
  8. Mitali Das & Whitney K. Newey & Francis Vella, 2003. "Nonparametric Estimation of Sample Selection Models," Review of Economic Studies, Oxford University Press, vol. 70(1), pages 33-58.
  9. Barnett,William A. & Powell,James & Tauchen,George E. (ed.), 1991. "Nonparametric and Semiparametric Methods in Econometrics and Statistics," Cambridge Books, Cambridge University Press, number 9780521370905.
  10. Charles F. Manski & John V. Pepper, 1998. "Monotone Instrumental Variables: With an Application to the Returns to Schooling," Virginia Economics Online Papers 308, University of Virginia, Department of Economics.
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  12. Richard Blundell & Howard Reed & Thomas Stoker, 1999. "Interpreting aggregate wage growth," IFS Working Papers W99/13, Institute for Fiscal Studies.
  13. Francine D. Blau, 1998. "Trends in the Well-Being of American Women, 1970-1995," Journal of Economic Literature, American Economic Association, vol. 36(1), pages 112-165, March.
  14. Edward Vytlacil & James J. Heckman, 2001. "Policy-Relevant Treatment Effects," American Economic Review, American Economic Association, vol. 91(2), pages 107-111, May.
  15. Heckman, James J, 1990. "Varieties of Selection Bias," American Economic Review, American Economic Association, vol. 80(2), pages 313-18, May.
  16. Layard, Richard & Nickell, Stephen & Jackman, Richard, 1991. "Unemployment: Macroeconomic Performance and the Labour Market," OUP Catalogue, Oxford University Press, number 9780198284345, July.
  17. Ahn, Hyungtaik & Powell, James L., 1993. "Semiparametric estimation of censored selection models with a nonparametric selection mechanism," Journal of Econometrics, Elsevier, vol. 58(1-2), pages 3-29, July.
  18. Richard Butler & James J. Heckman, 1977. "The Government's Impact on the Labor Market Status of Black Americans: A Critical Review," NBER Working Papers 0183, National Bureau of Economic Research, Inc.
  19. A. Pakes & J. Porter & Kate Ho & Joy Ishii, 2015. "Moment Inequalities and Their Application," Econometrica, Econometric Society, vol. 83, pages 315-334, 01.
  20. repec:oup:restud:v:67:y:2000:i:4:p:635-66 is not listed on IDEAS
  21. Manski, C.F., 1990. "The Selection Problem," Working papers 90-12, Wisconsin Madison - Social Systems.
  22. Heckman, James J. & Lalonde, Robert J. & Smith, Jeffrey A., 1999. "The economics and econometrics of active labor market programs," Handbook of Labor Economics, in: O. Ashenfelter & D. Card (ed.), Handbook of Labor Economics, edition 1, volume 3, chapter 31, pages 1865-2097 Elsevier.
  23. Gronau, Reuben, 1974. "Wage Comparisons-A Selectivity Bias," Journal of Political Economy, University of Chicago Press, vol. 82(6), pages 1119-43, Nov.-Dec..
  24. Heckman, James J & Sedlacek, Guilherme, 1985. "Heterogeneity, Aggregation, and Market Wage Functions: An Empirical Model of Self-selection in the Labor Market," Journal of Political Economy, University of Chicago Press, vol. 93(6), pages 1077-1125, December.
  25. Richard Blundell & Howard Reed & Thomas M. Stoker, 2003. "Interpreting Aggregate Wage Growth: The Role of Labor Market Participation," American Economic Review, American Economic Association, vol. 93(4), pages 1114-1131, September.
  26. repec:oup:qjecon:v:99:y:1984:i:1:p:31-44 is not listed on IDEAS
  27. Buchinsky, Moshe, 1994. "Changes in the U.S. Wage Structure 1963-1987: Application of Quantile Regression," Econometrica, Econometric Society, vol. 62(2), pages 405-58, March.
  28. Charles Brown, 1981. "Black-White Earnings Ratios Since the Civil Rights Act of 1964: The Importance of Labor Market Dropouts," NBER Working Papers 0617, National Bureau of Economic Research, Inc.
  29. repec:tpr:qjecon:v:99:y:1984:i:1:p:31-44 is not listed on IDEAS
  30. Moshe Buchinsky, 1998. "The dynamics of changes in the female wage distribution in the USA: a quantile regression approach," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 13(1), pages 1-30.
  31. Juhn, Chinhui & Murphy, Kevin M & Pierce, Brooks, 1993. "Wage Inequality and the Rise in Returns to Skill," Journal of Political Economy, University of Chicago Press, vol. 101(3), pages 410-42, June.
  32. Heckman, James J, 1979. "Sample Selection Bias as a Specification Error," Econometrica, Econometric Society, vol. 47(1), pages 153-61, January.
  33. Koenker, Roger W & Bassett, Gilbert, Jr, 1978. "Regression Quantiles," Econometrica, Econometric Society, vol. 46(1), pages 33-50, January.
  34. Barnett,William A. & Powell,James & Tauchen,George E. (ed.), 1991. "Nonparametric and Semiparametric Methods in Econometrics and Statistics," Cambridge Books, Cambridge University Press, number 9780521424318.
  35. Blau, Francine D & Kahn, Lawrence M, 1997. "Swimming Upstream: Trends in the Gender Wage Differential in 1980s," Journal of Labor Economics, University of Chicago Press, vol. 15(1), pages 1-42, January.
  36. Heckman, James J, 1974. "Shadow Prices, Market Wages, and Labor Supply," Econometrica, Econometric Society, vol. 42(4), pages 679-94, July.
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