請問一題IS-LM - 經濟

By Lily
at 2007-01-22T14:19
at 2007-01-22T14:19
Table of Contents
※ [本文轉錄自 Grad-ProbAsk 看板]
作者: Pizzaro (披薩羅) 看板: Grad-ProbAsk
標題: [問題] 請問一題IS-LM
時間: Mon Jan 22 14:11:00 2007
Y=C+I+G ,C=140+0.8Yd,T=200,I=200-500r,G=120,M/P=100,L=50+0.3Y-500r
設政府支出增加30,請計算政府支出的排擠效果對均衡所得的影響幅度x
答案是85<x<=95
可是我算dY/dG =2
所以dY=60
x=60
請問各位高手我哪邊錯了嗎 ??謝謝!!!
--
作者: Pizzaro (披薩羅) 看板: Grad-ProbAsk
標題: [問題] 請問一題IS-LM
時間: Mon Jan 22 14:11:00 2007
Y=C+I+G ,C=140+0.8Yd,T=200,I=200-500r,G=120,M/P=100,L=50+0.3Y-500r
設政府支出增加30,請計算政府支出的排擠效果對均衡所得的影響幅度x
答案是85<x<=95
可是我算dY/dG =2
所以dY=60
x=60
請問各位高手我哪邊錯了嗎 ??謝謝!!!
--
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