There’s an interesting story in the New York Magazine by Michael Osinski–the author of the main software package used to create the CMOs and CDOs that have helped cripple the financial system.
Osinski’s story is worth a read in its own right. But what I found curious about it was that he appears unaware of a flaw that existed in those products from the outset–the presumption that the standard mathematics of risk and return could be applied to financial assets. He doesn’t even mention this topic, but statements like the following imply that his software used a standard probability distribution to calculate risk and return for a given bond: