PT - JOURNAL ARTICLE AU - Gabriel A. Hawawini AU - Ashok Vera TI - Is Adjusting Beta Estimates an Illusion? AID - 10.3905/jpm.1983.23 DP - 1983 Oct 31 TA - The Journal of Portfolio Management PG - 23--26 VI - 10 IP - 1 4099 - https://pm-research.com/content/10/1/23.short 4100 - https://pm-research.com/content/10/1/23.full