PT - JOURNAL ARTICLE AU - Robert D. Arnott TI - Due diligence AID - 10.3905/jpm.1992.409398 DP - 1992 Jan 31 TA - The Journal of Portfolio Management PG - 101--107 VI - 18 IP - 2 4099 - https://pm-research.com/content/18/2/101.short 4100 - https://pm-research.com/content/18/2/101.full