如果外国的通货膨胀率的上升是永久性的，你认为浮动汇率制能够在短期内保护本国经济不受其影响吗？长期内又如

何？回答后一个问题时，注意长期内本国名义利率和外国名义利率之间的关系。

If the foreign inflation rate rises permanently，would you expect a floating exchange rate to insulate the domestic economy in the short run？ What would happen in the long run？ In answering the latter question．pay attention to the long-run relationship between domestic and foreign nominal interest rates．