三：基于风险价值不能准确度量风险以及缺乏次可加性这些缺点，目前国际上有人提出用损失期望值(Expected Shortfall)来测量风险（略）。本文研究了损失期望值的一些性质与计算思想（略）。
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损失期望值法 Loss Expectancy Method
停电损失费用期望值 ECOST
最大损失总额的期望值 expectation of maximal aggregate loss
期望损失值被支配 expectation loss value dominated
在加入小概率损失期望值的获益情景中，性别、年龄因素对个体风险决策有显著影响。
Age and gender factors have significant influence on individual risk decision-making, when in the profit situation which is added to loss expectation value of small probability.
将模板支撑架体系的失效概率模糊化，建立了以模糊风险损失期望值最小为依据的风险决策模型。
With the use of fuzzy failure probability, risk decision model based on minimum fuzzy risk loss expectation was presented.
本文给出一种分析方法，可用来确定当城市遭遇一定地震烈度时的可能损失和年平均损失期望值。
This paper provides a practical method which can determine the potential losses and their annual average expectancy for a city when it is hit by a destructive earthquake.
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