RT Journal Article SR Electronic T1 The Strange Unrest of Happy Men JF The Journal of Portfolio Management FD Institutional Investor Journals SP 71 OP 74 DO 10.3905/jpm.1976.408561 VO 2 IS 2 A1 Alexis De Tocqueville YR 1976 UL https://pm-research.com/content/2/2/71.abstract AB