What's Wrong with Risk Models?

First up, sincere apologies to the organizers and attendees of the Milken Global Forum, in Los Angeles, where I was due to appear this afternoon at a session about economic models of risk. I was looking forward to engaging the other panelists, who included Nobel laureate Myron Scholes, of "Black Scholes" fame; Colin Camerer, a Cal-Tech behavioral economist I've written about in the past; and Aaron Brown, a former Wall Street risk modeler. Unfortunately, my early morning flight from Ottawa...