PT - JOURNAL ARTICLE ED - Bernstein, Peter L. TI - Specific Risk as a Public Good AID - 10.3905/jpm.19.4.1 DP - 1993 Jul 31 TA - The Journal of Portfolio Management PG - 1--1 VI - 19 IP - 4 4099 - https://pm-research.com/content/19/4/1.short 4100 - https://pm-research.com/content/19/4/1.full