RT Journal Article SR Electronic T1 Synthetic International Diversification JF The Journal of Portfolio Management FD Institutional Investor Journals SP 65 OP 74 DO 10.3905/jpm.1993.409439 VO 19 IS 2 A1 Philippe Jorion A1 Leonid Roisenberg YR 1993 UL https://pm-research.com/content/19/2/65.abstract AB