RT Journal Article SR Electronic T1 Optimal asset mix and its link to changing fundamental factors JF The Journal of Portfolio Management FD Institutional Investor Journals SP 11 OP 18 DO 10.3905/jpm.1990.409249 VO 16 IS 2 A1 Yoav Benari YR 1990 UL https://pm-research.com/content/16/2/11.abstract AB