PT - JOURNAL ARTICLE AU - Peter A. Frost AU - James E. Savarino TI - Portfolio size and estimation risk AID - 10.3905/jpm.1986.409070 DP - 1986 Jul 31 TA - The Journal of Portfolio Management PG - 60--64 VI - 12 IP - 4 4099 - https://pm-research.com/content/12/4/60.short 4100 - https://pm-research.com/content/12/4/60.full