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Tim Harford introduces inventions, ideas and innovations that have helped to create the modern economic world. Warrior monks, crusaders and the mysterious origins of modern banking.

Warrior monks, crusaders and the mysterious origins of modern banking. You might think banks are so central to every economy that they have always existed. And they have, sort of. But the true story of the origins of modern banking is - as Tim Harford explains - as surprising and mysterious as the plot of Dan Brown's Da Vinci Code.

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15 minutes

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