PT - JOURNAL ARTICLE ED - , TI - Introduction: Quantitative Special Issue AID - 10.3905/jpm.2019.45.3.001 DP - 2019 Feb 28 TA - The Journal of Portfolio Management PG - 1--3 VI - 45 IP - 3 4099 - https://pm-research.com/content/45/3/1.short 4100 - https://pm-research.com/content/45/3/1.full