来自《耶鲁大学开放课程：金融理论 第4集 第4集》

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  and so we don't like the allocation,
  我们不喜欢这个配置
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  and so maybe we should move something from A to B.
  那么也许我们能将A的物品转移给B
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  So that's an argument on the basis of justice.
  那么这就是一个基于公正的论证
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  It says we can find juster allocations
  我们可以找到公正的配置
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  that are somehow socially more desirable,
  更能满足社会所需
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  but this argument of Pareto efficiency is about efficiency.
  但这是有关效率的Pareto有效的论证
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  Maybe you could hurt A to help B
  也许你可以伤害A而帮助B
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  because that serves your desire for fairness,
  因为这可以帮你实现公平的愿望
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  but that doesn't say anything about how efficient the allocation is.
  但这与如何实现有效配置无关
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  It's still true that the original allocation was
  那么原始的配置是最有效的一点不假
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  efficient in the sense you couldn't make anyone better off.
  你无法使任何人的境况得以改善
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  So the economists would say in order to hurt A and help B what
  那么经济学家会说为了帮助B而伤害A