問(wèn)答題 Some people read tea leaves to predict the future. We prefer hamburgers! The Economist began to calculate Big Mac index in 1986. They use it as a light-hearted guide to whether currencies are at their “correct” exchange rate. It is not intended as a precise predictor of exchange rates, but a tool to make economic theory more digestible. The following is the Big Mac Index in Apr. 25th 2002.   詳細(xì)解釋購(gòu)買力平價(jià)說(shuō),說(shuō)明其均衡是如何實(shí)現(xiàn)的,為何這是一個(gè)長(zhǎng)期學(xué)說(shuō)。

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