TY - JOUR T1 - INVITED EDITORIAL COMMENT JF - The Journal of Portfolio Management SP - 4 LP - 5 DO - 10.3905/jpm.2012.38.2.004 VL - 38 IS - 2 AU - Mark Kritzman Y1 - 2012/01/31 UR - https://pm-research.com/content/38/2/4.abstract N2 - ER -