00463nam a2200097Ia 450000500170000010000170001724500720003426000090010652002310011558300190034620260716043305.0 aKoot, Ronald aSecurity risk and market efficiency in the Jamaican stock exchange. c1989 aIdentifies riskiness of securities by comparing individual security performance to the rate of return of a market portfolio. Analyses the relationship between risk and return of securities traded on the Jamaica stock exchange. c3/7/00kM2LMGR