RT Journal Article SR Electronic T1 Lump-Sum Investing versus Dollar-Averaging JF The Journal of Portfolio Management FD Institutional Investor Journals SP 45 OP 50 DO 10.3905/jpm.1994.409474 VO 20 IS 2 A1 Michael S. Rozeff YR 1994 UL https://pm-research.com/content/20/2/45.abstract AB