这说明你对经济理论的认识还很肤浅，因为，即使是理性的经济行为主体，也能从诚实行为中获得效用。
This is a naive reading of economic theory, because even rational economic agents can gain utility from acting honestly.
对于富人而言，巨大的财富的效用显然很高，他的全部生活的目的就是为了占有和获取巨大的财富，然后比他人获得更多的享受。
The rich man's utility is very high because all he wants is to possess and obtain huge wealth then enjoy.
而一般证券投资者都希望能以最低的风险和损失获得最大的决策效用和成果。
Generally speaking, investors lean to obtain bigger decision-making utility with least risk and loss.
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