Dan Ariely, the author of "Predictably Irrational" and "The Upside of Irrationality" stopped by Big Think's offices yesterday to talk a little about the findings in his new book, touching on, among other things, why companies that give big bonuses don't necessarily get better performance out of their employees; why we tend to overvalue things that we create ourselves; the inherent altruism in revenge; and the futility of online dating.

Ariely is no stranger to Big Think.  He's appeared on the site before to talk about everything from how we can make money less abstract to  how we can use guilt to get people to reduce their carbon footprints.

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