TY - JOUR T1 - Duration JF - The Journal of Portfolio Management SP - 48 LP - 52 DO - 10.3905/jpm.1987.409098 VL - 13 IS - 2 AU - Gerald O. Bierwag AU - George G. Kaufman AU - Cynthia M. Latta AU - Gordon S. Roberts Y1 - 1987/01/31 UR - https://pm-research.com/content/13/2/48.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -