What do basketball player Kareem Abdul-Jabbar, actress Cloris Leachman and Microsoft founder Bill Gates have in common? Research conducted over the past 15 years or so has found that, across industries, jobs and fields of human endeavour, a small number of people are responsible for the vast majority of value creation. Whether we call it the 80/20 rule, the “1%” of the world’s wealthiest people, or use the formal statistical term “power curve”, whenever we measure the outcomes of human behaviour some version of this phenomenon seems to apply.
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