RT Journal Article SR Electronic T1 Options can alter portfolio return distributions JF The Journal of Portfolio Management FD Institutional Investor Journals SP 63 OP 70 DO 10.3905/jpm.1981.408805 VO 7 IS 3 A1 Richard Bookstaber A1 Roger G Clarke YR 1981 UL https://pm-research.com/content/7/3/63.abstract AB