PT - JOURNAL ARTICLE ED - Bernstein, Peter L. TI - “Off” the Average AID - 10.3905/jpm.1997.3 DP - 1997 Oct 31 TA - The Journal of Portfolio Management PG - 3--3 VI - 24 IP - 1 4099 - https://pm-research.com/content/24/1/3.short 4100 - https://pm-research.com/content/24/1/3.full