RT Journal Article SR Electronic T1 How Well Does Duration Measure Interest Rate Risk? JF The Journal of Fixed Income FD Institutional Investor Journals SP 43 OP 51 DO 10.3905/jfi.1992.408032 VO 1 IS 4 A1 Antti Ilmanen YR 1992 UL https://pm-research.com/content/1/4/43.abstract AB