, . .
7. , 400 .$? MPC 0.75 0.8. ?
S
10.00
r(%)
600 I
400 I, S (.$) 1100
GNP=5000-5400
G=1000-1000
Tax=1000-1000
C=3250-3550
I=750-850
r=8.00-7.64
400 .$ (Y-C-G)=5000-3250-1000=750
400.$ (Y-C-G)=5400-3550-1000=850
S=I(r)
MPC 0.75 0.8 20 . :
GNP=5000-5400
G=1000-1000
Tax=1000-1000
C=3250-3570
r=8.00-7.64
(Y-C-G)=5400-3570-1000=820
IS LM
1. 200 . . ? , ? IS?
.
E=Y
r=7
r=9
E
3500
3500 Y 6500
IS
10.00 IS
9 IS'
r
7
6.00
3500 Y 6500
G=1000-1000
Tax=1000-1200
r=7% Y=5703-5403
I=1031-1031
r=9% Y=4279-3997
I=469-469
C=Y-I-G
C=5703-1031-1000=3672
C1=5403-1031-1000=3372
. 300 . . . - . , .
2. , 300 .$? .
.
E=Y
r=7
r=9
E
3500
3500 Y 6500
IS
10.00 IS
9 IS'
r
7
6.00
3500 Y 6500
G=1000-1300
Tax=1000-1000
r=7% Y=5703-5403
I=1031-1031
r=9% Y=4279-5047
I=469-469
750 . . :
Y/G=1/1-MPC
Y/G=1/1-0.6=2.5
3. 200 . , Y Baseline ?
.
10.00 IS
E=Y 9 IS
650
r=7
r
E r=9
7
3500
3500 Y 6500 3500 Y 6500
G=1000-1000
Tax=1000-1200
r=7% Y=5703-5403
I=1031-1031
r=9% Y=4279-3997
I=469-469
Y Baseline, 120 . .
Y/G=1/1-MPC
1/1-MPC=2.5
G= Y/2.5=300/2.5=120.
4. E=C(Y-T)+1+C. ( = 0,60). , r=7% r = 9%?, = 0,70. IS , 0,60 0,70?
|
|
650 E=Y 10.00 IS
r = 7% 9
r = 9% r
3500 7
3500 Y 6500 3500 Y 6500
= 0,6: = 0,70:
G= 1000 G = 1000
Tax = 1000 Tax = 1000
r = 7% Y = 5703 Y=5938
I = 1031 I=1031
r = 9% Y = 4297 Y=4063
I = 469 I=469
1) = 0.60:
E (r = 7%) = C(Y-T)+I+G= 0.6(5703 1000) + 1031 + 1000 = 4852.8
E (r = 7%) = C(Y-T)+I+G= 0.6(4297 1000) +469 + 1000 = 3447.2
2) = 0.70:
E (r = 7%) = 0.7(5938 1000) +1031 + 1000 = 5487.6
E (r = 7%) = 0.7(4063 1000) + 469 + 1000 = 3613.1
0.70 IS .
5. (), , :
) =0,60
) =0,70
=0,70.
=0,60 =0,70
10.00 IS 10.00 IS
9 9
r r
7 7
3500 Y 6500 3500 Y 6500
. = . =
= -0,60/ (1-0,60)= - 1,5 = -0,70/(1-0,70)= -2,3
, . , IS .
6. (/) () 100 . $? ? LM?
12.00 5500 10.00 LM
M/P M/P1 LM1
r r
4.00 4500 4.00
500 M/P 1000 4500 Y 5500
= 750-850
= 1.00- 1.00
Y= 4500 6.40-4.27
Y= 5500 9.60-7.47
100 . . 2.13 . .
7. (M/P) , () 0,1? ? LM?
12.00 M/P1 M/P2 10.00 LM1
r r LM
4.00 4.00
500 M/P 1000 4500 Y 5500
M=750-750
P=1.00-1.10
Y=4500r 6.40-7.85
Y=5500r 9.60-11.05
1)M/P=750/1.00= 750
2) M/P=750/1.10= 681.8
0.1, . 68,2 . % 1,45
9. () 0.1, () Baseline?
12.00 M/P M/P1 10.00 LM
LM1
r r
4.00
4,00
500 M/P 1000 4500 Y 5500
M=750-750
P=1.00-1.10
Y=4500r 6.40-7.85
Y=5500r 9.60-11.05
M*P=750*0.1=75
M=750+75=825
Baseline, 75.
12.00 M/P 10.00
r r
4.00 4.00
500 Y 1000 3500 Y 6500
=750-825
=1.00-1.10
Y=4500r 6.40-6.40
Y=5500r 9.60-9.60
10. LM, 75 . $? , LM .
|
|
12.00 M/P M/P1 10.00 LM
LM1
r r
4.00
4,00
500 M/P 1000 4500 Y 5500
= 750 - 825
= 1.00 - 1.00
Y = 4500 r 6.40-4.80
Y = 5500 r 9.60-8.00
() () (), LM. , 75 . $ / , LM , .