PT - JOURNAL ARTICLE AU - James R. Webb TI - On the exclusion of real estate from the market portfolio AID - 10.3905/jpm.1990.409301 DP - 1990 Oct 31 TA - The Journal of Portfolio Management PG - 78--84 VI - 17 IP - 1 4099 - https://pm-research.com/content/17/1/78.short 4100 - https://pm-research.com/content/17/1/78.full