Interesting suggestion, but part of the problem is that a woman who works 5 out of 10 years at $100k pays the top marginal tax rate for those 5 years and no tax

Interesting suggestion, but part of the problem is that a woman who works 5 out of 10 years at $100k pays the top marginal tax rate for those 5 years and no taxes for the next 5. A less ridiculous tax policy might get you that for free.