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 argues that gays and...

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 argues that gays and...

Using data from the 2000 U.S. Census, we document and explore three alternative explanations for the sexual orientation wage gap: occupational sorting, human capital differences, and discrimination. We find lesbian women earn more than their heterosexual counterparts irrespective of marital...