PT - JOURNAL ARTICLE AU - Mark Kritzman TI - INVITED EDITORIAL COMMENT AID - 10.3905/jpm.2012.38.2.004 DP - 2012 Jan 31 TA - The Journal of Portfolio Management PG - 4--5 VI - 38 IP - 2 4099 - https://pm-research.com/content/38/2/4.short 4100 - https://pm-research.com/content/38/2/4.full