21.假設一含有國外部門的凱因斯模型如下:C = 100+0.8Yd , Yd = Y-T , T = 50 , I = 100 , G = 50 , X = 150 , M = 60+0.05Y,其中C為消費,I為投資,G為政府支出,X為出口,M為進口,T為稅收,則均衡所得為:
(A)800
(B)1,000
(C)1,200
(D)1,400
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統計: A(19), B(16), C(255), D(5), E(0) #410488
統計: A(19), B(16), C(255), D(5), E(0) #410488
詳解 (共 1 筆)
#2204806
Y=AE
Y=C+I+G+X-M
Y=0.75Y+300
0.25Y=300
Y=1200
注意正負號!!!
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