PT - JOURNAL ARTICLE AU - Bradford Cornell TI - INVITED EDITORIAL COMMENT AID - 10.3905/jpm.2018.44.3.001 DP - 2018 Jan 31 TA - The Journal of Portfolio Management PG - 1--4 VI - 44 IP - 3 4099 - https://pm-research.com/content/44/3/1.short 4100 - https://pm-research.com/content/44/3/1.full