Rule of 70

70規則（Rule of 70）是經濟學裡面的一個古老規律，是估計複利的捷徑。70規則是指用來評估在當前的通貨膨脹率水平下，物價需要花費多長時間才能翻一番的計算方法。

The rule of 70 is a basic formula used to estimate how long it will take for an investment to dou...

The Rule of 70 is commonly used in accounting and finance as a way of estimating the number of ye...

In finance, the rule of 72, the rule of 70 and the rule of 69.3 are methods for estimating an inv...