PT - JOURNAL ARTICLE AU - Frederick C. Dawson TI - Reply AID - 10.3905/jpm.1980.408740 DP - 1980 Jan 31 TA - The Journal of Portfolio Management PG - 73--73 VI - 6 IP - 2 4099 - https://pm-research.com/content/6/2/73.short 4100 - https://pm-research.com/content/6/2/73.full