RT Journal Article SR Electronic T1 The stock market and the beauty contest JF The Journal of Portfolio Management FD Institutional Investor Journals SP 88 OP 90 DO 10.3905/jpm.1974.408491 VO 1 IS 1 A1 John Maynard Keynes YR 1974 UL https://pm-research.com/content/1/1/88.abstract AB