Dan Ariely Predictably Irrational Harvard Book Store Monday, February 25, 7:00pm Free Ariely's Official Site Dan Ariely is a MIT economist with big ideas. He has spent his 20 year academic career questioning the assumptions that make classical economics work. Classical economists believe that given the choice, most people behave rationally. That is, most people make decisions that give them pleasure and make their lives easier. But of course we don't actually behave that way....