Earlier quoted context omitted.
If these circles had average salaries attached to them, I'm sure the article would write itself.
Assuming you mean that men have jobs with higher average salaries, there are still implications beyond that. Do men have higher salaries because they are more likely to consider salary when choosing a job? Do women have lower salaries due to sexism? Some combination of the two? Something else?
She is a co-author of one of the most comprehensive studies of the phenomenon, using United States census data from 1950 to 2000, when the share of women increased in many jobs. The study, which she conducted with Asaf Levanon, of the University of Haifa in Israel, and Paul Allison of the University of Pennsylvania, found that when women moved into occupations in large numbers, those jobs began paying less even after controlling for education, work experience, skills, race and geography.
https://www.nytimes.com/2016/03/20/upshot/as-women-take-over...