Justin Fox

We want our markets to behave rationally. But spectacular crashes (like 2008) suggest otherwise.

Editorial Director of the Harvard Business Review Group

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Justin Fox | Editorial Director of the Harvard Business Review Group
Lavin Exclusive Speaker

Justin Fox is the bestselling author of The Myth of the Rational Market—an economics book, paced like a thriller, that Paul Krugman calls “a must-read for anyone who wants to understand the mess we’re in.” On stage, Fox rebukes the dangerous theories that dominate economic thinking, bringing depth, breadth, and much-needed plain-speak to complex problems. 

Justin Fox is editorial director of the Harvard Business Review Group. Subtitled “A History of Risk, Reward, and Delusion on Wall Street,” The Myth of the Rational Market is a fascinating history of the flawed and risky theories that have come to rule economic discourse in the last 50 years—most notably, the theory that markets are rational. A nimble economics and finance journalist, Fox writes about complicated issues with illuminating accessibility. 


“Justin Fox is a truly insightful fellow who can see things with his own eyes—a rare, very rare attribute.”

— Nassim Nicholas Taleb, author of The Black Swan

A national bestseller, The Myth of the Rational Market was named a New York Times Notable Book of 2009 and Amazon's Best Business Book of the Year.

Fox blogs at the Harvard Business Review Group Blog and contributes regularly to Time, where he previously wrote a weekly column. He also started that magazine's influential Curious Capitalist blog, at Time.com. For over a decade before that, Fox was a writer and editor at Fortune, where he covered economics, finance, and international business. Fox is a regular commentator on the Nightly Business Report on PBS, and has appeared on NPR's Marketplace as well as The Daily Show With Jon Stewart. 

Speech Topics

The Myth of the Rational Market A History of Risk, Reward, and Delusion on Wall Street
One of the many factors that led to the financial crisis was the widely held assumption that markets behave rationally. If markets are rational, why are they prone to disasterous crashes? Why aren't markets able to react to forecasted problems before they happen, like rational entities should? Justin Fox takes square aim at the concept of market rationality and explains how this theory grew from academic theory to preeminent investor dogma. Fox combines business history, economics and politics into a narrative that is more like a Hollywood thriller than a university textbook, and shows audiences how the financial crisis was not a short term lapse, but a long term process. One of America's most trusted business journalists, Fox reveals market rationality for what it is: a hopeful myth.