RT Journal Article SR Electronic T1 Managing Collateral on Exchange and Off JF The Journal of Derivatives FD Institutional Investor Journals SP 64 OP 72 DO 10.3905/jod.1995.407917 VO 2 IS 3 A1 Todd E. Petzel YR 1995 UL https://pm-research.com/content/2/3/64.abstract AB