The Presidential Daily Brief

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    How Do We Grow Our Economies?

    Seems like a simple question, but economists have struggled to find a definitive answer. Physicist César Hidalgo looks at it another way in his new book Why Information Grows: The Evolution of Order, From Atoms to Economies. Hidalgo lays out a universal theory of information, suggesting that economies expand — and have done so since the Stone Age — as the information they contain grows, both in our brains and social networks. This is a great attempt at building a theory of growth that incorporates everything in nature.

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