There is the field of Behavorial Finance, which assumes everyone isn't rational. http://en.wikipedia.org/wiki/Behavioral_finance http://en.wikipedia.org/wiki/

There is the field of Behavorial Finance, which assumes everyone isn't rational. http://en.wikipedia.org/wiki/Behavioral_finance http://en.wikipedia.org/wiki/Behavioral_finance I would have gotten a PHD in Finance focusing on behavioral finance 12 years ago that but at the time I would have been poorly received and unlikely to get tenure since I was undermining the central supports of the entire field.