PT - JOURNAL ARTICLE AU - John B.. Guerard, Jr AU - Makoto Takano TI - The Development of Mean-Variance-Efficient Portfolios in Japan and the U.S. AID - 10.3905/joi.1.2.48 DP - 1992 Aug 31 TA - The Journal of Investing PG - 48--51 VI - 1 IP - 2 4099 - https://pm-research.com/content/1/2/48.short 4100 - https://pm-research.com/content/1/2/48.full