PT - JOURNAL ARTICLE AU - Peter L. Bernstein TI - A Happy Celebration AID - 10.3905/jpm.1994.409490 DP - 1994 Oct 31 TA - The Journal of Portfolio Management PG - 1--6 VI - 21 IP - 1 4099 - https://pm-research.com/content/21/1/1.short 4100 - https://pm-research.com/content/21/1/1.full