PT - JOURNAL ARTICLE AU - Peter L. Bernstein TI - Light and Shadow in the International Scene AID - 10.3905/jpm.1977.408601 DP - 1977 Apr 30 TA - The Journal of Portfolio Management PG - 4--4 VI - 3 IP - 3 4099 - https://pm-research.com/content/3/3/4.short 4100 - https://pm-research.com/content/3/3/4.full