95高考經濟一題 - 高考

By Edwina
at 2013-06-13T12:08
at 2013-06-13T12:08
Table of Contents
將 IS-LM 模型與簡單凱因斯模型作一比較,執行相同的擴張性財政政策所造成的
所得增加,效果有何同?
(A)IS-LM 模型的所得增加幅一定較小
(B)除LM 曲線垂直的情形,IS-LM 模型的所得增加幅一定較小
(C)除LM 曲線水平的情形,IS-LM 模型的所得增加幅一定較小
(D)除IS 曲線垂直的情形,IS-LM 模型的所得增加幅一定較小
答案是(C),流動性陷阱,貨幣政策無效,財政政策有效且效果最大
我想請問(D)為什麼不對呢?
IS垂直,是投資陷阱。假設LM是正斜率,擴張性財政政策使IS右移,造成所得及
利率皆上升。正常情況下,利率上升會產生排擠效果;但此時是投資陷阱
(投資的利率彈性等於零)並不會產生排擠效果。
------------------------------------------------------------------------------
另外一個想法是看乘數效果
簡單凱因斯政府支出乘數 = dY/dG = 1/1-b(1-t)
IS-LM的政府支出乘數 = dY/dG = 1/[1-b(1-t)+v.Lt/Ls]
因此當v=0(投資陷阱,IS垂直)或Ls無限大(流動性陷阱,LM水平)時,
簡單凱因斯與IS-LM的乘數相等
麻煩高手幫忙解答,感謝!
--
Sent from my iPhone
--
所得增加,效果有何同?
(A)IS-LM 模型的所得增加幅一定較小
(B)除LM 曲線垂直的情形,IS-LM 模型的所得增加幅一定較小
(C)除LM 曲線水平的情形,IS-LM 模型的所得增加幅一定較小
(D)除IS 曲線垂直的情形,IS-LM 模型的所得增加幅一定較小
答案是(C),流動性陷阱,貨幣政策無效,財政政策有效且效果最大
我想請問(D)為什麼不對呢?
IS垂直,是投資陷阱。假設LM是正斜率,擴張性財政政策使IS右移,造成所得及
利率皆上升。正常情況下,利率上升會產生排擠效果;但此時是投資陷阱
(投資的利率彈性等於零)並不會產生排擠效果。
------------------------------------------------------------------------------
另外一個想法是看乘數效果
簡單凱因斯政府支出乘數 = dY/dG = 1/1-b(1-t)
IS-LM的政府支出乘數 = dY/dG = 1/[1-b(1-t)+v.Lt/Ls]
因此當v=0(投資陷阱,IS垂直)或Ls無限大(流動性陷阱,LM水平)時,
簡單凱因斯與IS-LM的乘數相等
麻煩高手幫忙解答,感謝!
--
Sent from my iPhone
--
Tags:
高考
All Comments

By Iris
at 2013-06-16T06:09
at 2013-06-16T06:09

By Yuri
at 2013-06-20T20:29
at 2013-06-20T20:29

By Jacky
at 2013-06-23T14:19
at 2013-06-23T14:19

By Jacky
at 2013-06-27T07:07
at 2013-06-27T07:07

By Lucy
at 2013-06-29T20:22
at 2013-06-29T20:22

By Franklin
at 2013-07-03T15:07
at 2013-07-03T15:07

By Poppy
at 2013-07-06T12:11
at 2013-07-06T12:11

By Jacky
at 2013-07-10T07:49
at 2013-07-10T07:49

By Connor
at 2013-07-10T21:25
at 2013-07-10T21:25

By Puput
at 2013-07-11T00:33
at 2013-07-11T00:33

By Belly
at 2013-07-14T17:19
at 2013-07-14T17:19

By Hedy
at 2013-07-17T19:42
at 2013-07-17T19:42

By Audriana
at 2013-07-20T02:20
at 2013-07-20T02:20

By Liam
at 2013-07-22T08:41
at 2013-07-22T08:41

By Hedwig
at 2013-07-26T16:49
at 2013-07-26T16:49

By Charlotte
at 2013-07-30T12:56
at 2013-07-30T12:56

By Carol
at 2013-08-01T21:11
at 2013-08-01T21:11

By Carolina Franco
at 2013-08-04T15:53
at 2013-08-04T15:53

By Selena
at 2013-08-05T04:01
at 2013-08-05T04:01

By Yuri
at 2013-08-05T16:29
at 2013-08-05T16:29
Related Posts
請問明年高考心理學函授師資要選哪個?

By Michael
at 2013-06-12T22:49
at 2013-06-12T22:49
101 高考資料庫應用

By Jake
at 2013-06-12T21:34
at 2013-06-12T21:34
小弟的免費線上測驗網站passpass.cc

By James
at 2013-06-12T15:27
at 2013-06-12T15:27
經濟學問題 一問

By Suhail Hany
at 2013-06-11T22:34
at 2013-06-11T22:34
志光或是高點亦或是TKB

By Eartha
at 2013-06-11T19:36
at 2013-06-11T19:36