本文討論以時間序列的方法，探討匯率、通貨膨脹、貿易平衡三者間的關係，基本目標是要對輸出和輸入的變動，做正確的描述。

This paper attempts to model exchange rates, inflation, and blance of trade movements over time from a U.S. institution’s perspective. The primary goal is to provide an accurate description of export and import behavior over time.