N the weighted average utility of the possible outcomes of a probabilistic situation; the sum or integral of the product of the probability distribution and the utility function 期望效用 [statistics]
That is expected utility theory. Then I'll conclude with this.
这是期望效用理论。
Expected utility is calculated by multiplying the probability of each payoff by the payoff and taking the total sum.
预期效用的计算方法是用每次支付分值的概率乘以支付的分值,然后对其进行累加。
In the case of risk, rationality is usually defined as the choice of that alternative for which the expected utility is greatest.
而在风险的情况下,理性通常被定义为选择那种期望效用最大的选项。
What finance theory is based on-- and much of economics is based on-- the idea that people want to maximize the expected utility of their wealth.
金融学理论建立在,并且很多经济学的都是建立在,人们希望能使自己对,财富的期望效用最大化这一基础上
To calculate the expected utility of your wealth, you might also have to look at the expected return, or the geometric expected return, or the standard deviation.
要计算你财富的期望效用,你也许还要研究预期收益曲线,或几何预期收益率,或是标准差
Whether to gamble, based on efficient-- based on expected utility theory.
例如赌博,你们是注重效率呢,还是注重预期效用
应用推荐