RT Journal Article SR Electronic T1 Measuring Gains from International Equity Diversification JF The Journal of Investing FD Institutional Investor Journals SP 52 OP 60 DO 10.3905/joi.1998.408466 VO 7 IS 3 A1 David S. Laster YR 1998 UL https://pm-research.com/content/7/3/52.abstract AB