PT - JOURNAL ARTICLE AU - Stan E Beckers TI - Manager Skill and Investment Performance AID - 10.3905/jpm.1997.9 DP - 1997 Jul 31 TA - The Journal of Portfolio Management PG - 9--23 VI - 23 IP - 4 4099 - https://pm-research.com/content/23/4/9.short 4100 - https://pm-research.com/content/23/4/9.full