[考試] 新興古典

[HamBearJ (C'EST CA QUE)]

問題: Without other policy changes, if a permanent decrease happened for the
      money supply, which of the following is true?

      (A) IS shifed to the left and LM moved up.
      (B) IS shifed to the right and LM moved up.
      (C) IS shifed to the left and LM moved down.
      (D) IS shifed to the right and LM moved down.


答案:A

他說的permanent decrease happened for the money supply
指的是什麼咧? 為什麼IS也會變動~~

最近腦筋愈來愈混沌~@@
麻煩大家看一下~~

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※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 118.171.118.217
→ matmoki:@@" 題目好詭異
→ HUMMING:貨幣供給恆常遞減 LM左移(MOVE UP)
→ HUMMING:利率升高 連帶影響IS 投資意願減少 往左移
→ HUMMING:個人拙見Q Q有錯請指正
→ matmoki:R是內生變數 應該是IS上點移動
→ HamBearJ:真怪XD
推 nisino:題目很怪..
推 yuekun:實質貨幣餘額減少->消費減少
推 bluelazzy:LM左上移後,產出減少,在總和供給需求市
→ bluelazzy:場裡面產生超額需求,AD左移,IS左移
→ HamBearJ:它那個permanent是指LM怎麼了呢?
→ sneak: LM左上移後,產出減少 https://daxiv.com