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Inequality for wage earners and self-employed : evidence from panel data

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Pedro Albarran
Raquel Carrasco ()
Maite Martinez Granado

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Abstract

In this paper we study the evolution of income inequality for employees and self-employed workers. We highlight the importance of separately analyze these different sources of income to gain a broader understanding of inequality. Using Spanish panel data on income and consumption from the ECPF for the period 1987-96, we decompose income shocks into a permanent and a transitory component. We find that there are noticeable differences in the evolution of income inequality, as well as in the relative importance of the permanent and transitory components across these groups. Our results points that the evolution of inequality can be basically explained by movements in the transitory component of income for the self-employed, while for the employees it is mainly driven by the permanent component, specially at the end of the period. Given these disparities, it seems that these two sources of income should be studied separately and that different policies are suitable for each group.

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Paper provided by Universidad Carlos III, Departamento de Economía in its series Economics Working Papers with number we072414.

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Date of creation: Mar 2007
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Handle: RePEc:cte:werepe:we072414

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  1. Simon C. Parker & Yacine Belghitar & Tim Barmby, 2005. "Wage Uncertainty and the Labour Supply of Self-Employed Workers," Economic Journal, Royal Economic Society, vol. 115(502), pages C190-C207, 03. [Downloadable!] (restricted)
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  2. Martin Browning & Annamaria Lusardi, 1996. "Household Saving: Micro Theories and Micro Facts," Discussion Papers 96-01, University of Copenhagen. Department of Economics.
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  3. Richard Blundell & Ian Preston, 1998. "Consumption Inequality And Income Uncertainty," The Quarterly Journal of Economics, MIT Press, vol. 113(2), pages 603-640, May. [Downloadable!] (restricted)
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  4. Martinez-Granado, Maite, 2002. "Self-Employment and Labour Market Transitions: A Multiple State Model," CEPR Discussion Papers 3661, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  5. Giorgio E. Primiceri & Thijs van Rens, 2006. "Heterogeneous Life-Cycle Profiles, Income Risk and Consumption Inequality," Economics Working Papers 945, Department of Economics and Business, Universitat Pompeu Fabra, revised Aug 2008. [Downloadable!]
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  6. Robert A. Moffitt & Peter Gottschalk, 1995. "Trends in the Variances of Permanent and Transitory Earnings in the U.S. and Their Relation to Earnings Mobility," Boston College Working Papers in Economics 444, Boston College Department of Economics, revised 01 Nov 1998. [Downloadable!]
  7. Carrington, William J & McCue, Kristin & Pierce, Brooks, 1996. "The Role of Employer-Employee Interactions in Labor Market Cycles: Evidence from the Self-Employed," Journal of Labor Economics, University of Chicago Press, vol. 14(4), pages 571-602, October. [Downloadable!] (restricted)
  8. Robert A. Moffitt & Peter Gottschalk, 2002. "Trends in the Transitory Variance of Earnings in the United States," Economic Journal, Royal Economic Society, vol. 112(478), pages C68-C73, March. [Downloadable!] (restricted)
  9. Javier Alvarez, 2004. "Dynamics and Seasonality in Quarterly Panel Data: An Analysis of Earnings Mobility in Spain," Journal of Business & Economic Statistics, American Statistical Association, vol. 22, pages 443-456, October. [Downloadable!] (restricted)
  10. Albarran, P., 2000. "Income Uncertainty and Precautionary Saving: Evidence from Household Rotating Panel Data," Papers 0008, Centro de Estudios Monetarios Y Financieros-.
  11. S.C. Parker, . "The Inequality of Employment and Self-Employment Incomes:," Working Papers 179, Department of Economics and Finance, Durham University.
  12. Blau, David M, 1987. "A Time-Series Analysis of Self-employment in the United State," Journal of Political Economy, University of Chicago Press, vol. 95(3), pages 445-67, June. [Downloadable!] (restricted)
  13. McClements, L. D., 1977. "Equivalence scales for children," Journal of Public Economics, Elsevier, vol. 8(2), pages 191-210, October. [Downloadable!] (restricted)
  14. Fatih Guvenen, 2005. "An Empirical Investigation of Labor Income Processes," Macroeconomics 0508026, EconWPA. [Downloadable!]
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  15. Richard Blundell & Luigi Pistaferri & Ian Preston, 2004. "Consumption inequality and partial insurance," IFS Working Papers W04/28, Institute for Fiscal Studies. [Downloadable!]
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  16. Barton H. Hamilton, 2000. "Does Entrepreneurship Pay? An Empirical Analysis of the Returns to Self-Employment," Journal of Political Economy, University of Chicago Press, vol. 108(3), pages 604-631, June. [Downloadable!] (restricted)
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  1. Josep Pijoan-Mas & Virginia Sanchez-Marcos, . "Spain is Different: Falling Trends of Inequality," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics. [Downloadable!] (restricted)
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