RT Journal Article SR Electronic T1 Forecasting U.S. Bond Returns JF The Journal of Fixed Income FD Institutional Investor Journals SP 22 OP 37 DO 10.3905/jfi.1997.408197 VO 7 IS 1 A1 Antti Ilmanen YR 1997 UL https://pm-research.com/content/7/1/22.abstract AB