TY - JOUR T1 - Editor’s Letter JF - The Journal of Investing SP - 1 LP - 2 DO - 10.3905/joi.2012.21.1.001 VL - 21 IS - 1 A2 - Bruce, Brian B. Y1 - 2012/02/29 UR - https://pm-research.com/content/21/1/1.abstract N2 - ER -