RT Journal Article SR Electronic T1 Kā€”FOLIO JF The Journal of Portfolio Management FD Institutional Investor Journals SP 89 OP 93 DO 10.3905/jpm.1990.409299 VO 17 IS 1 A1 Jae K. Lee A1 Robert R. Trippi A1 Seok C. Chu A1 Hyun S. Kim YR 1990 UL https://pm-research.com/content/17/1/89.abstract AB