PT - JOURNAL ARTICLE AU - Robert F. Vandell AU - Robert Parrino TI - A purposeful stride down Wall Street AID - 10.3905/jpm.1986.409040 DP - 1986 Jan 31 TA - The Journal of Portfolio Management PG - 31--39 VI - 12 IP - 2 4099 - https://pm-research.com/content/12/2/31.short 4100 - https://pm-research.com/content/12/2/31.full