簡單凱因斯模型 - 經濟

By Sandy
at 2011-10-29T23:13
at 2011-10-29T23:13
Table of Contents
來源: 補習班考試用書
科目: 經濟學
問題:
C=1,000+0.75Yd T=400+0.2Y I=600 G=400
求平衡預算乘數 ?
我的想法:
Y=C+I+G 均衡條件 dY=0.75(dY-dT)+dG (1)
G=T 預算平衡 dG=dT (2)
再將 (2)式代入(1)式 得 dY=0.75(dY-dG)+dG
最後得 平衡預算乘數 dY/dG=1
不知道我這樣算有出錯嗎? 因為書上給的答案是 0.625
他是先算政府支出乘數為2.5 再算定額稅乘數為-1.875
再將兩者相加得平衡預算乘數為 0.625 和我算的1不一樣 囧
請教各位經濟專家了 感謝大家
--
科目: 經濟學
問題:
C=1,000+0.75Yd T=400+0.2Y I=600 G=400
求平衡預算乘數 ?
我的想法:
Y=C+I+G 均衡條件 dY=0.75(dY-dT)+dG (1)
G=T 預算平衡 dG=dT (2)
再將 (2)式代入(1)式 得 dY=0.75(dY-dG)+dG
最後得 平衡預算乘數 dY/dG=1
不知道我這樣算有出錯嗎? 因為書上給的答案是 0.625
他是先算政府支出乘數為2.5 再算定額稅乘數為-1.875
再將兩者相加得平衡預算乘數為 0.625 和我算的1不一樣 囧
請教各位經濟專家了 感謝大家
--
Tags:
經濟
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