Sascha Schuermann/Getty ImagesHedge funds' dismal performance might be a warning sign to the greater economy. Several hedge funds have blamed their poor performance on central bankers, whose low interest rates, in the funds' view, are distorting markets. In August, $9 billion fund manager Crispin Odey blamed his own fund's underformance on central banks, which he added are creating an unsustainable economy.