4. If the purchasing-power parity theory is true, then:
(A) the net exports schedule is very steep.
(B) all changes in the real exchange rate result from changes in price levels.
(C) all changes in the nominal exchange rate result from changes in price levels.
(D) changes in saving or investment influence only the real exchange rate.

答案:登入後查看
統計: 尚無統計資料