TY - JOUR T1 - Invited Editorial Comment JF - The Journal of Portfolio Management SP - 1 LP - 2 DO - 10.3905/jpm.2012.38.3.001 VL - 38 IS - 3 AU - Jeffrey Halpern AU - Jim K. Liew Y1 - 2012/04/30 UR - https://pm-research.com/content/38/3/1.abstract N2 - ER -