Barras, Laurent; Scaillet, Olivier; Wermers, Russ - Institut für Finanzmarktforschung, Wirtschafts- und … - 2009
This paper develops a simple technique that controls for false discoveries, or mutual funds that exhibit significant alphas by luck alone. Our approach precisely separates funds into (1) unskilled, (2) zero-alpha, and (3) skilled funds, even with dependencies in cross-fund estimated alphas. We...