TY - JOUR T1 - INVITED EDITORIAL COMMENT JF - The Journal of Portfolio Management SP - 6 LP - 7 DO - 10.3905/jpm.2013.40.1.006 VL - 40 IS - 1 AU - Robert Ferguson Y1 - 2013/10/31 UR - https://pm-research.com/content/40/1/6.abstract N2 - ER -