PT - JOURNAL ARTICLE AU - Ronald N. Kahn AU - Roland W Lochoff TI - Convexity and exceptional return AID - 10.3905/jpm.1990.409263 DP - 1990 Jan 31 TA - The Journal of Portfolio Management PG - 43--47 VI - 16 IP - 2 4099 - https://pm-research.com/content/16/2/43.short 4100 - https://pm-research.com/content/16/2/43.full