In real-world Finance, they don't pay for elegance. They pay for power - predictive power.
Robert HaugenBehaviorists tell us that we tend to overweight and overreact to the most recently received information. If we do, we will find that the information that we thought was so important becomes tempered, and reduced in significance, by new and related information that follows.
Robert HaugenIf we observe the performance of only those funds that remain active, we will tend to find that the average performance of the surviving funds exceeds that of the market.
Robert HaugenAlthough efficient markets people still go around saying there is a "mountain" of evidence supporting their hypothesis, the truth of the matter is that it's a very old mountain that's now eroding rapidly into the sea.
Robert HaugenThe New Finance focused on the market's major systematic mistake. In failing to appreciate the strength of competitive forces in a market economy, it over estimates the length of the short run. In doing so, it overreacts to records of success and failure for individual companies, driving the prices of successful firms too high and their unsuccessful counterparts too low.
Robert Haugen