RT Journal Article SR Electronic T1 Fiduciary Responsibility and the Use of Listed Options JF The Journal of Investing FD Institutional Investor Journals SP 47 OP 50 DO 10.3905/joi.2.3.47 VO 2 IS 3 A1 Joel N. Morse YR 1993 UL https://pm-research.com/content/2/3/47.abstract AB