RT Journal Article SR Electronic T1 The contradiction between Keynes and the EMH JF The Journal of Portfolio Management FD Institutional Investor Journals SP 41 OP 43 DO 10.3905/jpm.1984.408989 VO 11 IS 1 A1 Ralph Kosmicke YR 1984 UL https://pm-research.com/content/11/1/41.abstract AB