PT - JOURNAL ARTICLE AU - Graciela Chichilnisky AU - Geoffrey Heal TI - Managing Unknown Risks AID - 10.3905/jpm.1998.409649 DP - 1998 Jul 31 TA - The Journal of Portfolio Management PG - 85--91 VI - 24 IP - 4 4099 - https://pm-research.com/content/24/4/85.short 4100 - https://pm-research.com/content/24/4/85.full