RT Journal Article SR Electronic T1 Electronic Call Market Trading JF The Journal of Portfolio Management FD Institutional Investor Journals SP 10 OP 18 DO 10.3905/jpm.1995.409518 VO 21 IS 3 A1 Nicholas Economides A1 Robert A. Schwartz YR 1995 UL https://pm-research.com/content/21/3/10.abstract AB