Why lesbians tend to earn more than heterosexual women

„EVERYONE knows that labour markets are not fair. Whether it is skin colour, gender, or some other characteristic, minority groups tend to fare worse than the one group that, at least on average, seems to live life with the „easy“ setting on: white, well-educated, men. For every dollar earned by a white non-hispanic man in full-time work, the average white woman in America earns 78 cents, and an average Latina woman only 56 cents. Gay men are no exception to this: even knocking out the influence of factors like education and experience they earn less on average than straight men, by around 5% in France and the UK, and 12-16% in Canada and America. But one minority group seems to do better than others: lesbians. Why?“  (…)
http://www.economist.com/blogs/economist-explains/2016/02/economist-explains-8