RT Journal Article SR Electronic T1 Whose Efficient Market? JF The Journal of Portfolio Management FD Institutional Investor Journals SP 60 OP 64 DO 10.3905/jpm.1977.60 VO 3 IS 2 A1 Robert M. lovell, Jr. YR 1977 UL https://pm-research.com/content/3/2/60.abstract AB