PT - JOURNAL ARTICLE AU - Sanford J. Grossman TI - Insurance seen and unseen AID - 10.3905/jpm.1988.409164 DP - 1988 Jul 31 TA - The Journal of Portfolio Management PG - 5--8 VI - 14 IP - 4 4099 - https://pm-research.com/content/14/4/5.short 4100 - https://pm-research.com/content/14/4/5.full