该文简要回顾了经济学和心理学视野中的决策理论，包括预期效用理论、主观预期效用理论和前景理论。
The paper reviewed some theories on decision-making by economists and psychologists, including expected utility theory, subjectively expected utility theory and prospect theory.
然后在决策理论和系统分析构想的基础上，以系统的思维方式和多属性效用理论构建工程总承包评标系统。
Then it establishes a tender evaluation frame of EPC project by applying the utility theory of multiattribute, based on the decision theory and systematic analyst.
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