PT - JOURNAL ARTICLE AU - Lawrence Shepard TI - How Good is Investment Advice for Individuals? AID - 10.3905/jpm.1977.32 DP - 1977 Jan 31 TA - The Journal of Portfolio Management PG - 32--36 VI - 3 IP - 2 4099 - https://pm-research.com/content/3/2/32.short 4100 - https://pm-research.com/content/3/2/32.full