PT - JOURNAL ARTICLE AU - Donald B. Keim TI - Daily returns and size-related premiums AID - 10.3905/jpm.1987.409097 DP - 1987 Jan 31 TA - The Journal of Portfolio Management PG - 41--47 VI - 13 IP - 2 4099 - https://pm-research.com/content/13/2/41.short 4100 - https://pm-research.com/content/13/2/41.full