TY - JOUR T1 - Editor’s Letter JF - The Journal of Investing SP - 1 LP - 2 DO - 10.3905/joi.2011.20.2.001 VL - 20 IS - 2 A2 - Bruce, Brian R. Y1 - 2011/05/31 UR - https://pm-research.com/content/20/2/1.abstract N2 - ER -