Alternative Viewpoints: Due to funds’ lack of persistence, the Sharpe ratio has no validity as an investment decision tool
Oct 29th, 2009 | By Guest | Filed under: Academic Research, CAIA Alternative Viewpoints Columns, Guest Posts, Today's Post
There have been many studies on hedge fund manager return “persistence”. Persistence, after all, is a necessary precondition for the existence of alpha. Like alpha itself, you might expect that the persistence of a good Sharpe ratio may be possible in less mature (more informationally inefficient) markets. But a new study by Siewling Lay, CAIA, [...]




