Bloomberg View columnist Barry Ritholtz interviews Ray Dalio, chairman and chief investment officer of the world’s largest hedge fund, Bridgewater Associates. Dalio has been a global macro investor for more than 45 years, having started Bridgewater out of a two-bedroom apartment in New York City in 1975. He’s also the author of the New York Times bestseller "Principles: Life and Work," and is known for the practical yet unconventional theory of economics he spells out in his video series "How the Economic Machine Works."

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