Jeremy says in the text that the geometric return is always lower than the arithmetic return unless all the numbers are the same.
杰里米在书里说几何平均,总是比算术平均小,当然如果所有数字都一样,两个均值相等
Jeremy Siegel says that in finance we should be using geometric and not arithmetic averages.
杰里米·西格尔认为在金融上应该用几何平均,而不是算术平均
It's a less optimistic version.
几何平均相比算术平均更加严谨
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