%0 Journal Article %A John B.. Guerard, Jr %A Makoto Takano %T The Development of Mean-Variance-Efficient Portfolios in Japan and the U.S. %D 1992 %R 10.3905/joi.1.2.48 %J The Journal of Investing %P 48-51 %V 1 %N 2 %U https://joi.pm-research.com/content/iijinvest/1/2/48.full.pdf