8, pp. 65-91. Jensen, M., (1968) "The Performance of Mutual Funds in the Period 1945-1964," Journal of Finance 23, pp. 389-416. ICahneman, D., and D. Tversky, (1979) "Prospect Theory: An Analysis of Decision under Risk " Econometrica, 47, pp. 263-291. Kon, S.J. and F.C. Jen, (1979) `The Investment Perfor