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Y: 75000
C?
=S : -a + (1 – b)Y
C : a + bY
: 1000 + 0,8Y
: 1000 + 0,8(75000)
: 61000
–––·–––·–––·–––·–––·–––·–––·–––
4. C: 30 + 0,8Y
S: 20
C?
=S: -a + (1 – b)Y
20: -30 + (1 – 0,8)Y
20: -30 + 0,2Y
0,2Y: 50
Y: 250
C: 30 + 0,8Y
: 30 + 0,8(250)
: 30 + 200
:230
–––·–––·–––·–––·–––·–––·–––·–––
5. C: 40 + 0,25Y
I: 20
Y equilibrium?
C equilibrium?
S equilibrium?
= Y: C + I
Y: 40 + 0,25Y + 20
0,75Y: 60
Y: 80 (besar pendapatan nasional equilibrium)
C: 40 + 0,25Y
: 40 + 0,25(80)
: 40 + 20
: 60 (besar konsumsi equilibrium)
S: Y – C
: 80 – 60
: 20 (besar saving equilibrium)
pembuktian:
Y: C + I
: 60 + 20
: 80
Terimakasih ^^