RT Journal Article SR Electronic T1 A Regression Analysis of the Effects of Options Introduction on Stock Variances JF The Journal of Derivatives FD Institutional Investor Journals SP 25 OP 38 DO 10.3905/jod.1994.407881 VO 1 IS 3 A1 Steven Freund A1 P. Douglas McCann A1 Gwendolyn P. Webb YR 1994 UL https://pm-research.com/content/1/3/25.abstract AB