RT Journal Article SR Electronic T1 Non–parallel yield curve shifts and durational leverage JF The Journal of Portfolio Management FD Institutional Investor Journals SP 62 OP 67 DO 10.3905/jpm.1990.409282 VO 16 IS 4 A1 Robert R. Reitano YR 1990 UL https://pm-research.com/content/16/4/62.abstract AB