Decision analysis mostly researches on uncertainty, it's conventional decision model is subject expected utility theory (SEU).

决策分析主要是关于不确定性问题的研究，其传统的理论模型是主观期望效用模型(SEU)。

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Prospect theory is a very successful descriptive model about decision making under risk during recent several decades, it challenges the expected utility theory to fight, and even can substitute it.

前景理论是近几十年来一个优秀的关于风险下决策的描述性模型，它的出现是对预期效用理论的一个挑战，甚至可以说是对预期效用理论的一个替代。

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This paper gave a dynamic bid decision model and presented a new view of the plan selection based on the owner utility.

本文给出了一个工程项目投标报价的动态决策模型，并且基于业主的效用提出了一个报价方案选择的新观点。

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