[考試] 97中興財金
來源: 97 年度研究所考
問題: 生產函數 : Y = 10N - 0.005N^2
勞動供給 : Ns = 55 + 5w (w實質工資)
IS : Y = 300 + 0.8(Y-T) +258.5-250r + 50 (r實質利率)
^^^^^^^^^^^^^^ ^^^^^^^^^^ ^^
C I G
LM :M/P = 0.5Y - 250(r + €) (€預期通膨)
**T=20+0.5Y 、 €=0.02 、 M=9150
我的想法:
前面三小題分別問均衡下 N r P
透過 w = MPLn , 可得 N=100 ,所以 Yf=950
在由IS解r=0.09 ,代回LM可得 P=20.4469
第四小題問題是如果G由50----->72.5則均衡Y是多少、第五小題問排擠多少
**生產函數我怎麼看都覺得只有N,所以垂直(古典),這樣的話Yf還是950直接代回IS找r
就找出I變化
可是解答竟然直接G=72.5代入IS-LM求聯立,而且感覺計算錯誤,最後答給970.39
這樣應該解釋AS為水平???
可是我怎麼看都看不出來,為什麼AS會是水平,麻煩高手摟~
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