TY - JOUR T1 - INVITED EDITORIAL COMMENT JF - The Journal of Portfolio Management SP - 1 LP - 4 DO - 10.3905/jpm.2014.41.1.001 VL - 41 IS - 1 AU - David Blitz Y1 - 2014/10/31 UR - https://pm-research.com/content/41/1/1.abstract N2 - ER -