PT - JOURNAL ARTICLE ED - Bruce, Brian R TI - Editor' Letter AID - 10.3905/joi.2008.707224 DP - 2008 May 31 TA - The Journal of Investing PG - 6--6 VI - 17 IP - 2 4099 - https://pm-research.com/content/17/2/6.short 4100 - https://pm-research.com/content/17/2/6.full