TY - JOUR T1 - Is Beta a Useful Measure of Security Risk? JF - The Journal of Portfolio Management SP - 23 LP - 31 DO - 10.3905/jpm.1981.23 VL - 7 IS - 2 AU - Robert F. Vandell Y1 - 1981/01/31 UR - https://pm-research.com/content/7/2/23.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -