PT - JOURNAL ARTICLE AU - Ramon P. DeGennaro AU - Sangphill Kim TI - The CAPM and beta in an imperfect market AID - 10.3905/jpm.1986.409072 DP - 1986 Jul 31 TA - The Journal of Portfolio Management PG - 78--79 VI - 12 IP - 4 4099 - https://pm-research.com/content/12/4/78.short 4100 - https://pm-research.com/content/12/4/78.full