"Willetts is wrong to attribute the UK's high unemployment rate to women's education gains, said Heidi Hartmann, president of the Washington-based Institute for Women's Policy Research. But he's right about well-educated women pairing off with well-educated men.
"'Marriage is a sorting effect,' she said. 'Highly educated women are more likely to work, earn high wages, and marry highly educated men. That might increase income inequality.'"