PT - JOURNAL ARTICLE AU - Laurence B. Siegel TI - Invited Editorial Comment AID - 10.3905/jpm.2010.37.1.001 DP - 2010 Oct 31 TA - The Journal of Portfolio Management PG - 1--4 VI - 37 IP - 1 4099 - https://pm-research.com/content/37/1/1.short 4100 - https://pm-research.com/content/37/1/1.full