TY - JOUR T1 - Editor’s Letter JF - The Journal of Investing SP - 1 DO - 10.3905/JOI.2009.18.4.001 VL - 18 IS - 4 A2 - Bruce, Brian R Y1 - 2009/11/30 UR - https://pm-research.com/content/18/4/1.abstract N2 - ER -