On this episode of Our American Stories, Tim Harford, author of the bestselling book Fifty Inventions That Shaped the Modern Economy, shares the stories behind three transformative innovations: concrete, the LLC (limited liability company), and the index fund. From the concrete that built our cities, to the LLC that revolutionized business ownership, to the index fund that reshaped investing, these inventions changed the way we build, do business, and grow our wealth today.
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Madam C.J. Walker: America’s First Self-Made Female Millionaire
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When FDR Warned That Tyranny Begins by Silencing Religion
07:59

The Real Saint Patrick Behind St. Patrick’s Day
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