by Douglas Hubbard and Douglas Samuelson OR/MS
Today, 10/09/2009

In this article my coauthor and I point out a general lack of willingness to measure the actual effectiveness of many quantitative models. Just as doctors are often the worst patients, quants are often the last to measure their own performance or the performance of the models they create. We argue that this leads to the unquestioned and continued use of many models that are deeply flawed. We discuss several sources of those problems and what to do about them. [view article]