TY - JOUR T1 - INVITED EDITORIAL COMMENT JF - The Journal of Portfolio Management SP - 1 LP - 2 DO - 10.3905/jpm.2013.39.2.001 VL - 39 IS - 2 AU - Bruce I. Jacobs AU - Kenneth N. Levy Y1 - 2013/01/31 UR - https://pm-research.com/content/39/2/1.abstract N2 - ER -