PT - JOURNAL ARTICLE AU - Robert M Korkie TI - External vs. internal performance evaluation AID - 10.3905/jpm.9.3.36 DP - 1983 Apr 30 TA - The Journal of Portfolio Management PG - 36--42 VI - 9 IP - 3 4099 - https://pm-research.com/content/9/3/36.short 4100 - https://pm-research.com/content/9/3/36.full