Over the last few decades, economists and psychologists have quietly documented the many ways in which a person\'s IQ matters.
Whereas IQ scores do a moderately good job of predicting individual wages, information processing power, and brain size, a country\'s average score is a Much stronger bellwether of its ove.
As Garett Jones argues in Hive Mind , modest differences in national IQ can explain most cross-country inequalities.
But, research suggests that a nation\'s IQ Matters so Much more.
Over the last few decades, economists and psychologists have quietly documented the many ways in which a person\'s IQ matters