AD AS (N). , AS AD (. 3.3).
AD AS N .
. 3.3. (AD) (AS).
:
1. . , , , , .
2. . : , .
, ( ), , .
, . .
() . (AD) (AS).
(.3.3).
() .
AS AD ( ) , , . . , . AD AS, , . AS AD, , .
() , . .
, , . , , . , . , , () .
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, . , .. .
3.3 , ,
.
, , -. . . , . :
1. , , . .
MPC C Y.
MPS S Y.
2. ( ).
.
- (. 3.4) , NI ( ), NI = DI = Y ( ). , . : AE = Y, AD = AE, AS = Y,
AE = C + I + G + NX,
:
AE ,
C ,
I ,
G ,
N .
G NX ( ) .
,
AE = C + I; Y = C + S; C + I = C + S; I = S.
. 3.4. -
45º. . , :
= Cex + MPC Y
:
ex , .. (, 100 .);
MPC ( 0,8);
Y .
. Y . = Cex=100. Y, , 200 .. = 100 + 0,8 200 = 260.
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45º (F). . . ( ), .
, .
S = Sex + MPS Y
Y = 0 . , (Y), S = 0.
(K). . , , , . , 50 . . S I 45º, (N). =C+I ( ).
N . , , . , , .
, .
, , , , .
(MULT):
. , 1000 . , . , , . , 1000 . MPC = 0,8 800 ., 200 ., 800 . - , - (. 3.1)
3.1
1000 . 5000 . . ( , 1: 0,2 = 5)
1000 5 = 5000.
. , , , , , . , ( ) .
, . :
:
a ;
It ;
Yt Yt 1 .
, . . . , .
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, , .