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A Precautionary Tale of Uncertain Tail Fattening

机译:不确定尾部肥育的预防性故事

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摘要

Suppose that there is a probability density function for how bad things might get, but that the overall rate at which this probability density function slims down to approach zero in the tail is uncertain. The paper shows how a basic precautionary principle of tail fattening could then apply. The worse is the contemplated damage, the more should a decision maker consider the bad tail to be among the relatively fatter-tailed possibilities. A rough numerical example is applied to the uncertain tail distribution of climate sensitivity.
机译:假设存在一个概率密度函数来说明事情如何恶化,但是该概率密度函数在尾巴处趋近于零的总体速率是不确定的。本文展示了如何应用尾部肥育的基本预防原则。预期的损害越严重,决策者就应该越多地考虑坏尾巴是相对更致命的可能性之一。一个粗略的数值例子被应用于气候敏感性的不确定的尾巴分布。

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