PT - JOURNAL ARTICLE AU - Bradford Cornell TI - Invited Editorial Comment AID - 10.3905/jpm.2011.37.4.003 DP - 2011 Jul 31 TA - The Journal of Portfolio Management PG - 3--5 VI - 37 IP - 4 4099 - https://pm-research.com/content/37/4/3.short 4100 - https://pm-research.com/content/37/4/3.full