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Do CEOs actually matter? Pulitzer winner Jared Diamond ran ‘natural experiments’ to find out

Posted on September 1, 2026
By Fortune
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Do CEOs actually matter? Pulitzer winner Jared Diamond ran ‘natural experiments’ to find out

The "Guns, Germs and Steel" author used “natural experiments” — deaths, hospitalizations and family shocks — to test when the corner office really matters.