TY - JOUR T1 - Telecommunications betas JF - The Journal of Portfolio Management SP - 46 LP - 52 DO - 10.3905/jpm.1983.408936 VL - 10 IS - 1 AU - Richard B. Edelman Y1 - 1983/10/31 UR - https://pm-research.com/content/10/1/46.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -