TY - JOUR T1 - Editor’s Letter JF - The Journal of Index Investing SP - 1 LP - 2 DO - 10.3905/jii.2020.11.3.001 VL - 11 IS - 3 AU - Brian Bruce Y1 - 2020/11/30 UR - https://pm-research.com/content/11/3/1.abstract N2 - ER -