RT Journal Article SR Electronic T1 Bond yield spreads revisited JF The Journal of Portfolio Management FD Institutional Investor Journals SP 57 OP 62 DO 10.3905/jpm.1988.409147 VO 14 IS 2 A1 Chris P. Dialynas YR 1988 UL https://pm-research.com/content/14/2/57.abstract AB