RT Journal Article SR Electronic T1 Time Diversification: Surest Route to Lower Risk? JF The Journal of Portfolio Management FD Institutional Investor Journals SP 24 OP 26 DO 10.3905/jpm.11.4.24 VO 11 IS 4 A1 Richard W. McEnally YR 1985 UL https://pm-research.com/content/11/4/24.abstract AB