Dan ArielyDan Ariely is the author of the New York Times bestsellers Predictably Irrational and The Upside of Irrationality. He is the James B. Duke Professor of Psychology and Behavioral Economics at Duke University and is the founer of the Center for Advanced Hindsight. His work has been featured in the New York Times, the Wall Street Journal, the Washington Post, the Boston Globe, and elsewhere. Read More Read Less