RT Journal Article SR Electronic T1 Risks and returns in continuous option writing JF The Journal of Portfolio Management FD Institutional Investor Journals SP 58 OP 63 DO 10.3905/jpm.1979.408673 VO 5 IS 2 A1 Frederic S. Dawson YR 1979 UL https://pm-research.com/content/5/2/58.abstract AB