TY - JOUR T1 - Making sense out of unstable alphas and betas JF - The Journal of Portfolio Management SP - 19 LP - 22 DO - 10.3905/jpm.1985.408995 VL - 11 IS - 2 AU - Bill McDonald Y1 - 1985/01/31 UR - https://pm-research.com/content/11/2/19.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -