Sociopaths on Wall Street

From a New Yorker article about the collapse of Bear Stearns:

[Former Bear Stearns C.E.O. Jimmy] Cayne understood selling; he started out as a photocopier salesman, working the nine-hundred-mile stretch between Boise and Salt Lake City, and ended up among the highest-paid executives in banking. He was known as one of the savviest men on the Street, a master tactician, a brilliant gamesman. “Jimmy had it all,” Bill Bamber, a former Bear senior managing director, writes in “Bear Trap: The Fall of Bear Stearns and the Panic of 2008” (a book co-written by Andrew Spencer). “The ability to read an opponent. The ability to objectively analyze his own strengths and weaknesses. . . . He knew how to exploit others’ weaknesses—and their strengths, for that matter—as a way to further his own gain. He knew when to take his losses and live to fight another day.”

Although the most successful Wall Streeters are probably narcissists:

This is what social scientists mean when they say that human overconfidence can be an adaptive trait. “In conflicts involving mutual assessment, an exaggerated assessment of the probability of winning increases the probability of winning,” Richard Wrangham, a biological anthropologist at Harvard, writes. “Selection therefore favors this form of overconfidence.” Winners know how to bluff. And who bluffs the best? The person who, instead of pretending to be stronger than he is, actually believes himself to be stronger than he is. According to Wrangham, self-deception reduces the chances of “behavioral leakage”; that is, of “inadvertently revealing the truth through an inappropriate behavior.” This much is in keeping with what some psychologists have been telling us for years—that it can be useful to be especially optimistic about how attractive our spouse is, or how marketable our new idea is. In the words of the social psychologist Roy Baumeister, humans have an “optimal margin of illusion.”