the economic empowerment of women across the rich world is one of the most remarkable revolutions of the past 50 years. It is remarkable because of the extent of the change: millions of people who were once dependent on men have taken control of their own economic fates. It is remarkable also because it has produced so little friction: a change that affects the most intimate aspects of people's identities has been widely welcomed by men as well as women. Dramatic social change seldom takes such a benign form.