In this video Dan Ariely on Wall Street fraud and the psychology of a cheater. Dan Ariely is an expert in behavioral finance and the author of two best-sellers, Predictably Irrational: The Hidden Forces That Shape Our Decisions and The Upside of Irrationality: The Unexpected Benefits of Defying Logic at Work and at Home.  Dan Ariely’s talks on TED have been watched 2.8 million times (as of April 2012).  The video interview is embedded below:

H/T Value Investing World