TY - JOUR T1 - Invited Editorial Comment JF - The Journal of Portfolio Management SP - 1 DO - 10.3905/jpm.2010.36.3.001 VL - 36 IS - 3 AU - Robert F. Engle Y1 - 2010/04/30 UR - https://pm-research.com/content/36/3/1.abstract N2 - ER -