"Unfortunately, absolute value theories don't work very well in economics," he wrote recently.

他最近写道：“遗憾的是，绝对价值理论在经济学领域并不是很管用。”

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Value transforming to the price of production is the important content of Marxian value theories.

价值转化为生产价格是马克思价值理论中的重要内容。

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Based on the review of customer value theories, this paper defines the customer value and analyzes the main and sub driving factors of customer value.

在回顾相关理论的基础上，提出了一种顾客价值定义，重点分析了顾客价值的主驱动要素和相应的亚驱动要素。

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Modest container theories, that is, say there's a value to being alive, but it can in principle be outweighed.

保守的有价值容器理论认为，活着有一定的价值，但是按道理它可以被超越。

耶鲁公开课 - 死亡课程节选

So, those are modest theories-- positive value for life, but it can be outweighed.

所以，这些是保守的理论-,活着是正数，但是它可以被超越。

耶鲁公开课 - 死亡课程节选

Now, in thinking about these points, ... in effect I'm suggesting that the value of your life-- so ,we previously were talking about different theories of well-being ? and what makes for the best kind of life.

考虑这些观点的时候，实际上我建议你的生命价值-,我们之前谈到了,幸福的各种理论,即最美好的生活是怎样的。

耶鲁公开课 - 死亡课程节选

There are many theories as to why the value premium exists.

FORBES: Value Stocks and Dividends

But Prof Reiss argues that there is an educational value in comparing creationist ideas with scientific theories like Darwin's theory of evolution because they demonstrate how science, unlike religious beliefs, can be tested.

BBC: NEWS | UK | Education | Teachers 'fear evolution lessons'

The more precisely w comes to look like -1, the more enthusiasm there will be for cosmological constant theories, which require that value, and the less enthusiasm there will be for fifth forces and modified gravity, part of the charm of which is that they can work with other values.

ECONOMIST: Cosmology