Gender differences in productivity, if any, that are unobserved to researchers may produce an omitted variable bias in gender gap studies. Finding a subpopulation with less acute differences in unobserved characteristics would allow this concern to be addressed. This paper shows that gays and lesbians are one such interesting group—for the intra-household division of labor and its effects on market productivity cannot be sex-determined in this subpopulation. Indeed, there are substantial intra-household variations in labor market outcomes and other characteristics; the patterns and magnitudes are similar to different-sex households. Simultaneously, the gender wage gap between gays and lesbians is much smaller than in the heterosexual population; in specifications that control for geographic location it is near zero. These findings suggest that the intra-household division of labor is an important factor driving gender differences in labor market outcomes. Such an interpretation is consistent with recent studies that control for productivity."> Gender differences in productivity, if any, that are unobserved to researchers may produce an omitted variable bias in gender gap studies. Finding a subpopulation with less acute differences in unobserved characteristics would allow this concern to be addressed. This paper shows that gays and lesbians are one such interesting group—for the intra-household division of labor and its effects on market productivity cannot be sex-determined in this subpopulation. Indeed, there are substantial intra-household variations in labor market outcomes and other characteristics; the patterns and magnitudes are similar to different-sex households. Simultaneously, the gender wage gap between gays and lesbians is much smaller than in the heterosexual population; in specifications that control for geographic location it is near zero. These findings suggest that the intra-household division of labor is an important factor driving gender differences in labor market outcomes. Such an interpretation is consistent with recent studies that control for productivity."> Gender differences in productivity, if any, that are unobserved to researchers may produce an omitted variable bias in gender gap studies. Finding a subpopulation with less acu">
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What Drives the Gender Gap? An Analysis Using Sexual Orientation

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  • Josef Montag
Abstract
type="main"> Gender differences in productivity, if any, that are unobserved to researchers may produce an omitted variable bias in gender gap studies. Finding a subpopulation with less acute differences in unobserved characteristics would allow this concern to be addressed. This paper shows that gays and lesbians are one such interesting group—for the intra-household division of labor and its effects on market productivity cannot be sex-determined in this subpopulation. Indeed, there are substantial intra-household variations in labor market outcomes and other characteristics; the patterns and magnitudes are similar to different-sex households. Simultaneously, the gender wage gap between gays and lesbians is much smaller than in the heterosexual population; in specifications that control for geographic location it is near zero. These findings suggest that the intra-household division of labor is an important factor driving gender differences in labor market outcomes. Such an interpretation is consistent with recent studies that control for productivity.

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  • Josef Montag, 2015. "What Drives the Gender Gap? An Analysis Using Sexual Orientation," Kyklos, Wiley Blackwell, vol. 68(4), pages 577-608, November.
    • Handle: RePEc:bla:kyklos:v:68:y:2015:i:4:p:577-608
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    1. Josef Montag, 2015. "What Drives the Gender Gap? An Analysis Using Sexual Orientation," Kyklos, Wiley Blackwell, vol. 68(4), pages 577-608, November.
    2. Shoshana Grossbard (ed.), 2006. "Jacob Mincer A Pioneer of Modern Labor Economics," Springer Books, Springer, number 978-0-387-29175-8, February.
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    4. Christopher S. Carpenter, 2008. "Sexual orientation, work, and income in Canada," Canadian Journal of Economics/Revue canadienne d'économique, John Wiley & Sons, vol. 41(4), pages 1239-1261, November.
    5. Niclas Berggren & Therese Nilsson, 2013. "Does Economic Freedom Foster Tolerance?," Kyklos, Wiley Blackwell, vol. 66(2), pages 177-207, May.
    6. Ghazala Azmat & Rosa Ferrer, 2017. "Gender Gaps in Performance: Evidence from Young Lawyers," Journal of Political Economy, University of Chicago Press, vol. 125(5), pages 1306-1355.
    7. Becker, Gary S, 1985. "Human Capital, Effort, and the Sexual Division of Labor," Journal of Labor Economics, University of Chicago Press, vol. 3(1), pages 33-58, January.
    8. Ghazala Azmat & Rosa Ferrer, 2012. "Gender gaps in performance," CentrePiece - The magazine for economic performance 379, Centre for Economic Performance, LSE.
    9. John M. Blandford, 2003. "The Nexus of Sexual Orientation and Gender in the Determination of Earnings," ILR Review, Cornell University, ILR School, vol. 56(4), pages 622-642, July.
    10. Dan Black & Gary Gates & Seth Sanders & Lowell Taylor, 2000. "Demographics of the gay and lesbian population in the United States: Evidence from available systematic data sources," Demography, Springer;Population Association of America (PAA), vol. 37(2), pages 139-154, May.
    11. Lisa Giddings & John Nunley & Alyssa Schneebaum & Joachim Zietz, 2014. "Birth Cohort and the Specialization Gap Between Same-Sex and Different-Sex Couples," Demography, Springer;Population Association of America (PAA), vol. 51(2), pages 509-534, April.
    12. Drydakis, Nick, 2014. "Sexual Orientation Discrimination in the United Kingdom's Labour Market: A Field Experiment," IZA Discussion Papers 8741, Institute of Labor Economics (IZA).
    13. Black, Dan & Gates, Gary & Sanders, Seth & Taylor, Lowell, 2002. "Why Do Gay Men Live in San Francisco?," Journal of Urban Economics, Elsevier, vol. 51(1), pages 54-76, January.
    14. Ali Ahmed & Lina Andersson & Mats Hammarstedt, 2013. "Sexual orientation and full-time monthly earnings, by public and private sector: evidence from Swedish register data," Review of Economics of the Household, Springer, vol. 11(1), pages 83-108, March.
    15. Bruce Elmslie & Edinaldo Tebaldi, 2007. "Sexual Orientation and Labor Market Discrimination," Journal of Labor Research, Springer, vol. 28(3), pages 436-453, July.
    16. Erik Plug & Peter Berkhout, 2004. "Effects of sexual preferences on earnings in the Netherlands," Journal of Population Economics, Springer;European Society for Population Economics, vol. 17(1), pages 117-131, February.
    17. Marianne Bertrand & Claudia Goldin & Lawrence F. Katz, 2010. "Dynamics of the Gender Gap for Young Professionals in the Financial and Corporate Sectors," American Economic Journal: Applied Economics, American Economic Association, vol. 2(3), pages 228-255, July.
    18. Amanda K. Baumle, 2009. "The Cost of Parenthood: Unraveling the Effects of Sexual Orientation and Gender on Income," Social Science Quarterly, Southwestern Social Science Association, vol. 90(4), pages 983-1002, December.
    19. Suzanne Heller Clain & Karen Leppel, 2001. "An investigation into sexual orientation discrimination as an explanation for wage differences," Applied Economics, Taylor & Francis Journals, vol. 33(1), pages 37-47.
    20. Dan A. Black & Hoda R. Makar & Seth G. Sanders & Lowell J. Taylor, 2003. "The Earnings Effects of Sexual Orientation," ILR Review, Cornell University, ILR School, vol. 56(3), pages 449-469, April.
    21. Christopher Carpenter, 2004. "New Evidence on Gay and Lesbian Household Incomes," Contemporary Economic Policy, Western Economic Association International, vol. 22(1), pages 78-94, January.
    22. Dan A. Black & Seth G. Sanders & Lowell J. Taylor, 2007. "The Economics of Lesbian and Gay Families," Journal of Economic Perspectives, American Economic Association, vol. 21(2), pages 53-70, Spring.
    23. Lisa Jepsen & Christopher Jepsen, 2002. "An empirical analysis of the matching patterns of same-sex and opposite-sex couples," Demography, Springer;Population Association of America (PAA), vol. 39(3), pages 435-453, August.
    24. Sylvia A. Allegretto & Michelle M. Arthur, 2001. "An Empirical Analysis of Homosexual/Heterosexual Male Earnings Differentials: Unmarried and Unequal?," ILR Review, Cornell University, ILR School, vol. 54(3), pages 631-646, April.
    25. Nathan Berg & Donald Lien, 2002. "Measuring The Effect Of Sexual Orientation On Income: Evidence Of Discrimination?," Contemporary Economic Policy, Western Economic Association International, vol. 20(4), pages 394-414, October.
    26. Ali Ahmed & Mats Hammarstedt, 2010. "Sexual orientation and earnings: a register data-based approach to identify homosexuals," Journal of Population Economics, Springer;European Society for Population Economics, vol. 23(3), pages 835-849, June.
    27. Bruce Elmslie & Edinaldo Tebaldi, 2014. "The Wage Gap against Gay Men: The Leveling of the Playing Field," Kyklos, Wiley Blackwell, vol. 67(3), pages 330-345, August.
    28. Christopher S. Carpenter, 2008. "Sexual orientation, work, and income in Canada," Canadian Journal of Economics, Canadian Economics Association, vol. 41(4), pages 1239-1261, November.
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    Cited by:

    1. Michael E. Martell & Peyton Nash, 2020. "For Love and Money? Earnings and Marriage Among Same-Sex Couples," Journal of Labor Research, Springer, vol. 41(3), pages 260-294, September.
    2. Andreas Kuhn & Stefan C. Wolter, 2023. "The strength of gender norms and gender‐stereotypical occupational aspirations among adolescents," Kyklos, Wiley Blackwell, vol. 76(1), pages 101-124, February.
    3. Josef Montag, 2015. "What Drives the Gender Gap? An Analysis Using Sexual Orientation," Kyklos, Wiley Blackwell, vol. 68(4), pages 577-608, November.
    4. Veronika Hedija, 2014. "Do Women Really Face Wage Discrimination on the Labour Market? An Analysis Using Intra-household Specialization," Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Mendel University Press, vol. 62(6), pages 1279-1286.
    5. Ariane Agunsoye & Jerome Monne & Janette Rutterford & Dimitris P. Sotiropoulos, 2022. "How gender, marital status, and gender norms affect savings goals," Kyklos, Wiley Blackwell, vol. 75(2), pages 157-183, May.

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    More about this item

    JEL classification:

    • J16 - Labor and Demographic Economics - - Demographic Economics - - - Economics of Gender; Non-labor Discrimination
    • D10 - Microeconomics - - Household Behavior - - - General
    • J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J70 - Labor and Demographic Economics - - Labor Discrimination - - - General

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