PT - JOURNAL ARTICLE AU - Richard Bookstaber TI - Global Risk Management AID - 10.3905/jpm.1997.102 DP - 1997 Apr 30 TA - The Journal of Portfolio Management PG - 102--107 VI - 23 IP - 3 4099 - https://pm-research.com/content/23/3/102.short 4100 - https://pm-research.com/content/23/3/102.full