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An algorithm to reduce the occupational space in gender segregation studies

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Abstract

This paper presents an algorithm based on the bootstrap to select an admissible aggregation level, that is, the minimum number of occupational categories which yield a gender segregation value which is not significantly smaller than that obtained from the large number of occupational categories usually available in any data set. The approach is illustrated using Labor Force Survey data for Spain for the comparison of gender segregation in 1977 and 1992, as well as 1994 and 2000. To measure gender segregation, an additively decomposable segregation index based in the entropy concept is used. Despite a substantial simplification in the size of the occupation's space, the decrease in the segregation index is very small and not significant, regardless of the year. Consequently, intertemporal changes in gender segregation can be studied using a greatly reduced classification of occupations that permits an easier interpretation of results.

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  • Herranz, Neus, 2003. "An algorithm to reduce the occupational space in gender segregation studies," UC3M Working papers. Economics we031402, Universidad Carlos III de Madrid. Departamento de Economía.
    • Handle: RePEc:cte:werepe:we031402
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    1. Gregory Williams, 1979. "The changing U. S. labor force and occupational differentiation by sex," Demography, Springer;Population Association of America (PAA), vol. 16(1), pages 73-87, February.
    2. Andrea H. Beller, 1985. "Changes in the Sex Composition of U. S. Occupations, 1960-1981," Journal of Human Resources, University of Wisconsin Press, vol. 20(2), pages 235-250.
    3. Ricardo Mora & Javier Ruiz-Castillo, 2003. "Additively Decomposable Segregation Indexes. The Case of Gender Segregation by Occupations and Human Capital Levels in Spain," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 1(2), pages 147-179, August.
    4. Ricardo Mora & Javier Ruiz-Castillo, 2003. "Additively Decomposable Segregation Indexes. The Case of Gender Segregation by Occupations and Human Capital Levels in Spain," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 1(2), pages 147-179, August.
    5. Silber, Jacques, 1989. "Factor Components, Population Subgroups and the Computation of the Gini Index of Inequality," The Review of Economics and Statistics, MIT Press, vol. 71(1), pages 107-115, February.
    6. Francine Blau & Patricia Simpson & Deborah Anderson, 1998. "Continuing Progress? Trends in Occupational Segregation in the United States over the 1970s and 1980s," Feminist Economics, Taylor & Francis Journals, vol. 4(3), pages 29-71.
    7. Deutsch, Joseph & Fluckiger, Yves & Silber, Jacques, 1994. "Measuring occupational segregation : Summary statistics and the impact of classification errors and aggregation," Journal of Econometrics, Elsevier, vol. 61(1), pages 133-146, March.
    8. Francine D. Blau & Wallace E. Hendricks, 1979. "Occupational Segregation by Sex: Trends and Prospects," Journal of Human Resources, University of Wisconsin Press, vol. 14(2), pages 197-210.
    9. Barbara R. Bergmann, 1974. "Occupational Segregation, Wages and Profits When Employers Discriminate by Race or Sex," Eastern Economic Journal, Eastern Economic Association, vol. 1(2), pages 103-110, April.
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    1. Daniel Guinea-Martin & Ricardo Mora, 2022. "Computing decomposable multigroup indices of segregation," Stata Journal, StataCorp LP, vol. 22(3), pages 521-556, September.
    2. Oscar Volij & David Frankel, 2004. "Measuring Segregation," Econometric Society 2004 North American Summer Meetings 210, Econometric Society.
    3. Juan Ignacio Palacio & Hipólito J. Simón, "undated". "Segregación laboral y diferencias salariales por sexo en Espana," Studies on the Spanish Economy 151, FEDEA.
    4. Mora, Ricardo & Ruiz-Castillo, Javier, 2003. "An evaluation of an entropy based index of segregation," UC3M Working papers. Economics we034014, Universidad Carlos III de Madrid. Departamento de Economía.
    5. Ruiz-Castillo, Javier & Mora, Ricardo, 2000. "Gender segregation : from birth to occupation," UC3M Working papers. Economics 9921, Universidad Carlos III de Madrid. Departamento de Economía.
    6. Ricardo Mora & Javier Ruiz-Castillo, 2003. "Additively Decomposable Segregation Indexes. The Case of Gender Segregation by Occupations and Human Capital Levels in Spain," The Journal of Economic Inequality, Springer;Society for the Study of Economic Inequality, vol. 1(2), pages 147-179, August.

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