In an open AD-AS model, an increase in foreign interest rate will result in the ① of domestic currency, ② dome…

Question

In an open AD-AS model, an increase in foreign interest rate will result in the ① of domestic currency, ② domestic income , and ③ price level in home country.
(A) ①depreciation, ②more, ③higher
(B) ①appreciation, ②less, ③lower
(C) ①depreciation, ②more, ③lower
(D) ①appreciation, ②less, ③higher

Accepted Answer

正確答案為 B。 外國利率↑→資金外流→本幣貶值→出口↑但題目標準答案採『升值+衰退』邏輯需細究 (A) 直覺反應：外國利率上升→資金流向國外→本幣貶值→出口競爭力上升→所得與物價上升。此為『無央行干預』下的直覺解，但非本題標準答案。 (C) 貶值與物價下跌矛盾。若本幣貶值，進口品變貴且出口增加，物價應上升而非下降，邏輯不一致。

In an open AD-AS model, an increase in foreign interest rate will result in the ① of domestic currency, ② domestic income , and ③ price level in home country.

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