PT - JOURNAL ARTICLE AU - Jae K. Lee AU - Robert R. Trippi AU - Seok C. Chu AU - Hyun S. Kim TI - Kā€”FOLIO AID - 10.3905/jpm.1990.409299 DP - 1990 Oct 31 TA - The Journal of Portfolio Management PG - 89--93 VI - 17 IP - 1 4099 - https://pm-research.com/content/17/1/89.short 4100 - https://pm-research.com/content/17/1/89.full