The Economic Populist - Speak Your Mind 2 Cents at a Time Mon 2009-12-28 18:57 EST

Pricing a CDO - Not only Bad Math, Bad Computation too

A working paper, Computational complexity and informational asymmetry in financial products, Sanjeev Arora, Boaz Barak, Markus Brunnermeier, Rong Ge. sheds some light on the complex mathematical models upon which credit default obligations and other derivatives are based. What Arora et al. prove is not only are many derivative mathematical models impossible to compute, never mind in real time, because they require more computing power than the world possesses, the missing information to run a mathematical model is a very good place to cheat with.

Bad Computation; bad math; CDO; economic populist; Mind 2 Cents; Price; speaking; Time.