PT - JOURNAL ARTICLE AU - Barr Rosenberg TI - Prediction of common stock betas AID - 10.3905/jpm.1985.408997 DP - 1985 Jan 31 TA - The Journal of Portfolio Management PG - 5--14 VI - 11 IP - 2 4099 - https://pm-research.com/content/11/2/5.short 4100 - https://pm-research.com/content/11/2/5.full