TY - JOUR T1 - Duration JF - The Journal of Portfolio Management SP - 38 LP - 43 DO - 10.3905/jpm.1986.409079 VL - 13 IS - 1 AU - J.B. Gould AU - Eric H. Sorensen Y1 - 1986/10/31 UR - https://pm-research.com/content/13/1/38.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -