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本幣貶值對一國貿(mào)易余額的時滯效應被稱為（）。

答案： J曲線效應

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【案例分析題】
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.

從上述表格你能得出有關人民幣的什么結(jié)論？

答案：

人民幣匯率被低估。

【案例分析題】 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. 當以美元計價時，最便宜和最貴的漢堡包分別在哪里？從中可以得出有關這些國家匯率水平的什么結(jié)論？

答案：

最便宜的漢堡包在阿根廷，最貴的漢堡包在土耳其，這說明前者的匯率被高估，后者的匯率被低估。