RT Journal Article SR Electronic T1 Random Error in Prepayment Projections JF The Journal of Fixed Income FD Institutional Investor Journals SP 77 OP 84 DO 10.3905/jfi.1997.408208 VO 7 IS 2 A1 Lakhbir S. Hayre YR 1997 UL https://pm-research.com/content/7/2/77.abstract AB