Huraian : Ekonomi 4 sektor bermakna terdapat perdagangan antarabangsa dengan negara asing.
Formula : Y = C + I + G + (X-M) apabila berada di paras positif keluk, S + T + M = I + G + X apabila berada di paras negatif keluk.
Contoh soalan : cari Y
C = 230+0.75yd
I = 500
G = 652
M = 120
X = 300
T = 40+o.1y
C = 230+o.75(y-40+0.1y)
C = 230+0.75y-30+0.075y
C = 200+0.675y
Y = 200+0.675y+500+652+(300-120)
Y = 1352+0.675y+180
Y - 0.675y = 1532
0.325y = 1532
Y = 1532/0.325
Y = RM 4713.84
p/s : fuh.. da lama xupdate blog.
Formula : Y = C + I + G + (X-M) apabila berada di paras positif keluk, S + T + M = I + G + X apabila berada di paras negatif keluk.
Contoh soalan : cari Y
C = 230+0.75yd
I = 500
G = 652
M = 120
X = 300
T = 40+o.1y
C = 230+o.75(y-40+0.1y)
C = 230+0.75y-30+0.075y
C = 200+0.675y
Y = 200+0.675y+500+652+(300-120)
Y = 1352+0.675y+180
Y - 0.675y = 1532
0.325y = 1532
Y = 1532/0.325
Y = RM 4713.84
p/s : fuh.. da lama xupdate blog.
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