In a series of startling studies, psychologists at the University of California at Berkeley have found that "upper-class individuals behave more unethically than lower-class individuals." Ongoing research is trying to find out what it is about wealth — or lack of it — that makes people behave they way they do. Paul Solman reports as part of his Making Sen$e series, more of which you can check out here: http://www.pbs.org/newshour/economy/makingsense/ and http://www.pbs.org/newshour/businessdesk/2013/06/why-those-who-feel-they-have-less-give-more.html