.


:




:

































 

 

 

 





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, , .

() , . .

, , . , , . , . , , () .

, . , .. .

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.

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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