TY - JOUR T1 - INVITED EDITORIAL COMMENT JF - The Journal of Portfolio Management SP - 4 LP - 6 DO - 10.3905/jpm.2013.39.4.004 VL - 39 IS - 4 AU - Brian Jacobsen Y1 - 2013/07/31 UR - https://pm-research.com/content/39/4/4.abstract N2 - ER -