The existence theorem of expected utility function was the most important conclusion in expected utility theory.

期望效用函数存在定理是期望效用理论中最重要的定理。

youdao

However, because oneself lacks the strict logical inference, I think that it is unable to substitute for the expected utility theory in the standardized decision-making function.

然而，由于自身缺乏严格的逻辑推理，决定了它无法取代期望效用理论在规范化决策中的作用。

youdao

Of course, we will also be talking about behavioral finance in this course and we'll, at times, be saying that the utility function concept isn't always right-- the idea that people are actually maximizing expected utility might not be entirely accurate.

当然 我们还会,在这门课上讨论行为金融学,并且,我们会间或,讨论到效用函数不总是正确的,人们希望最大化期望效用的观点,也许并不是完全准确的

耶鲁公开课 - 金融市场课程节选