For years, everyone had been hearing of a whole host of new, ultra-sophisticated financial innovations: credit and commodity derivatives, collateralized mortgage obligation derivatives, hybrid securities, debt swaps, and so on. These new derivative markets were so incredibly sophisticated, that—according to one persistent story—a prominent investment house had to employ astrophysicists to run trading programs so complex that even the financiers couldn’t begin to understand them. The message was transparent: leave these things to the professionals. You couldn’t possibly get your minds around
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