Do women make better leaders?

Article here. Excerpt:

'The surprising thing is not that a sitting president decided to abandon his reelection campaign. Or that his party’s leading candidate to replace him is a woman.

No, the astonisher is that America has never had a female commander in chief.

What’s truly astonishing is that there aren’t more of them. After all, women make better leaders than men.
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Don’t take my word for it. In survey after survey, corporations led by women are found to perform better in such categories as managerial reputation, crisis management and profitability. Boston Consulting estimates that, on average, earnings at companies with gender-diverse leadership are 9 percent higher than those without. It’s much the same for firms with a high percentage of women managers and board members. Accordingly, major asset management firms are adopting policies that favor investing in companies with substantial numbers of women at the top.
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If leaders with two X chromosomes are arguably more effective, how come the U.S. has had only XY-endowed presidents? The standard answer is that Americans just aren’t ready for a woman in that job, as Hillary Clinton’s 2016 election defeat seemed to confirm.'