RT Journal Article SR Electronic T1 The Risks of More Give than Take JF The Journal of Portfolio Management FD Institutional Investor Journals SP 15 OP 18 DO 10.3905/jpm.1976.408581 VO 2 IS 4 A1 Kennedy, Roger G. YR 1976 UL http://jpm.pm-research.com/content/2/4/15.abstract AB