For each one-point raise in a country's average IQ, per capita GDP grows by =>$229

For each one-point raise in a country's 95th percentile [and above, based on intelligence] citizens IQ, per capita GDP grows by =>==$468 ==

Are the Wealthiest Countries the Smartest Countries? (Heiner Rindermann, of the Chemnitz University of Technology, Psychological Science)

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Would further suggest Munger's investment strategy (boost the already-exceptional) pays off far more than Buffett's (raise the mediocre to the median).