PT - JOURNAL ARTICLE ED - Bernstein, Peter L. TI - A Sporting Challenge AID - 10.3905/jpm.1988.3 DP - 1988 Jan 31 TA - The Journal of Portfolio Management PG - 3--3 VI - 14 IP - 2 4099 - https://pm-research.com/content/14/2/3.short 4100 - https://pm-research.com/content/14/2/3.full