Dachraoui, K.; Dionne, G. - Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor. - 1998
In this paper we show how a shift in a return distribution affects the composition of an optimal portfolio in the case of one riskless asset and two risky assets. We obtain that, in general, such a shift modifies the composition of themutual fund. We also show that the separating conditions...