The Secrets of Intangible Wealth

For once the World Bank says something smart about the real causes of prosperity.

A Mexican migrant to the U.S. is five times more productive than one who stays home. Why is that?

The answer is not the obvious one: This country has more machinery or tools or natural resources. Instead, according to some remarkable but largely ignored research—by the World Bank, of all places—it is because the average American has access to over $418,000 in intangible wealth, while the stay-at-home Mexican’s intangible wealth is just $34,000.

But what is intangible wealth, and how on earth is it measured? And what does it mean for the world’s people—poor and rich? That’s where the story gets even more interesting.

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