PT - JOURNAL ARTICLE AU - Fabozzi, Frank J. TI - Editor’s Introduction for 2021 Special Issue on Factor Investing AID - 10.3905/jpm.2020.47.2.001 DP - 2020 Dec 31 TA - The Journal of Portfolio Management PG - 1--3 VI - 47 IP - 2 4099 - http://jpm.pm-research.com/content/47/2/1.short 4100 - http://jpm.pm-research.com/content/47/2/1.full