PT - JOURNAL ARTICLE ED - , TI - Editor's Letter AID - 10.3905/joi.1999.390912 DP - 1999 Nov 30 TA - The Journal of Investing PG - 7--7 VI - 8 IP - 4 4099 - https://pm-research.com/content/8/4/7.short 4100 - https://pm-research.com/content/8/4/7.full