基数效用为什么称为基数,序数效用为什么称为序数

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基数效用为什么称为"基数",序数效用为什么称为"序数",有什么说法吗?来历?

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关键词：序数效用 效用 序数 基数

我觉得维基上已经说得很好了

Ordinal utility theory states that while the utility of a particular good or service cannot be measured using a numerical scale bearing economic meaning in and of itself, pairs of alternative bundles (combinations) of goods can be ordered such that one is considered by an individual to be worse than, equal to, or better than the other. This contrasts with cardinal utility theory, which generally treats utility as something whose numerical value is meaningful in its own right. The concept was first introduced by Pareto in 1906