NPR logo Author Robert Menschel

Author Robert Menschel

One of the world's best known investors, Sir John Templeton, wrote that the four most expensive words in the English language are "this time it's different." Yet history is full of investment crazes where investors thought that the old rules no longer applied. Goldman Sachs Director Robert Menschel stops by to talk about some of those crazes and shares insights from his book Markets, Mobs, and Mayhem: A Modern Look at the Madness of Crowds.



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