According to the intertemporal current account model, when the expected income increases permanently, how will the current account change?
AIncrease.
BDecrease.
CUnchanged.正確答案
DAmbiguous.
答案與詳解
為什麼答案是 C
依消費平滑化 (consumption smoothing)，永久性所得增加ΔY=ΔC，儲蓄S=Y-C不變，故經常帳CA=S-I維持不變。
考點：暫時性 vs 永久性考點：消費平滑化誤解考點：永久所得假說考點：模型確定解
載入中…
