TY - JOUR T1 - Lessons learned and never learned JF - The Journal of Portfolio Management SP - 52 LP - 55 DO - 10.3905/jpm.1979.408710 VL - 6 IS - 1 AU - Robert G. Kirby Y1 - 1979/10/31 UR - https://pm-research.com/content/6/1/52.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -