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When Monkeys Run the Market

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By Karl Cates
July/August 2009


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July 6, 2009 -- Back in the good Olde Days, it was the hapless court jester who always got to say what other people wouldn’t. He could get away with announcing that the emperor had no clothes -- as long as he did it with a half-wit grin and the requisite inflection.

These aren’t the Middle Ages and hardly anybody’s afraid to say what they think anymore. Still, we have jesters, and you’ve gotta hand it to the Daily Show's Jon Stewart for carving out a program that’s so spot-on sometimes that it’s a better source for news than, oh, the news.

Last Wednesday on Stewart’s Daily Show, the guest was Justin Fox, author of the timely “The Myth of the Rational Market: a History of Risk, Reward and Delusion on Wall Street,” which for some reason has been a hot seller lately, contending (and I paraphrase wildly here) that monkeys might do a better job of running the markets than humans have done.
HOUSE-FLIPPING IN FLORIDA

Stewart kicked off his interview with Fox by astutely asking the question on everybody’s mind: “Are you suggesting, sir -- may I call you sir? -- that houses in Florida really don’t double in value every year?”

Precisely! And Fox went on to explain how he thought the whole markets-behave-rationally school of thought that arose in the 1960s out of MIT and the University of Chicago was inherently flawed, to put it nicely – total (expletive deleted), to put it bluntly. The hole in the theory of rational markets is that great waves of people can, and do, go stark-raving stupid when it comes to money. Mindless herd behavior begets mindless market bubbles. We saw it in the dot.com boom and again in the housing run-up. Of course many individuals (bankers et al) got filthy rich off the bubbles, so there was a silver lining in some cases to the madness.

“Housing and stocks,when they go up like that,” Fox said, “it’s a lot of fun for lots of people.”

His dashing of the myth of rational markets isn’t entirely original. Alan Greenspan conceded as much in October -- coming to the realization a little late in life (he’s 83) -- and George Soros wrote a book about it last year.

Stewart, being the polished newsman, er, comic, that he is, steered Fox toward the future: “Is this, then -- in your mind -- a failure of regulation?”
REGULATORS HAVE FEELINGS TOO

Yeah, kind of, Fox answered. “Regulators get caught up in the same nonsense markets do.”

It seems that bank examiners, SEC gumshoes, Treasury police, members of Congress and White House aides -- why, they’re mortal too. The best way to handle the whipsaw of bubble-to-burst is either by turning everything over to super-intelligent cyborgs that have yet to be invented or by imposing what Fox calls some “simple, dumb rules -- what we got in the 30s.”

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Karl Cates -- blog author Jul 09, 2009

LouieK, thank you for your comment! Ah, but the assertion that markets aren't rational isn't "based on an interview with Jon Stewart." It's rooted in an entire school of thought, of which Alan Greenspan is but one of the many recent converts. True, many smart people made money off the Florida bubble. Many smart people lost money on it too.


LouieK Jul 08, 2009

Ther writer confuses "rational" with "smart." Markets are rational, but you are not smart to say they are not rational based on an interview with Jon Stewart. Many smart people made millions off of the Florida housing bubble.