Freakonomics: What Does a C.E.O. Actually Do?

Freakonomics: What Does a C.E.O. Actually Do?

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They're paid a fortune — but for what, exactly? What makes a good C.E.O. — and how can you even tell? Is "leadership science" a real thing — or just airport-bookstore mumbo jumbo? We put these questions to Mark Zuckerber…