TY - JOUR T1 - Editor's Letter JF - The Journal of Portfolio Management SP - 9 LP - 9 DO - 10.3905/jpm.2007.684763 VL - 33 IS - 3 A2 - Bernstein, Peter L. Y1 - 2007/04/30 UR - https://pm-research.com/content/33/3/9.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -