The "why we need women" section is interesting. What's the cause and effect? Companies with women on the exec team get higher valuations -- perhaps that's beca

The "why we need women" section is interesting. What's the cause and effect? Companies with women on the exec team get higher valuations -- perhaps that's because women are better at choosing winning companies? Or, since there are fewer exec-team-level women than there are men, they can be more choosy with their opportunities?