> An alternative interpretation is that women are behaving entirely logically with the knowledge that their employability is maximized if they set their desired salaries lower than men with equivalent experience.

Me: Then why are companies not saving themselves $30k/year per senior dev by exclusively hiring women?

Your second post:

> Because they can't.

Which is it? If you can choose to hire a man over a woman who's just as good, you can choose to hire a woman over a man who's just as good and much more expensive.