.


:




:

































 

 

 

 





, , ( coepeiaeicn) , . , .

( - average propensity to consume), - (APS - average propensity to save).

( consumption),

DI - (DI - disposable income).

S (S savings).

. , , .

( - marginal propensity to consume) (. 6.3).

(MPS - marginal propensity to save).

- ,

- .

- .

, . 100%, 100%. , , , . .

(), - (DI). (C=DI). . . ( HG). , ( HG).

, BF . . FD, a DB - . , . 12 . (0) , , (02). ( ) ( ).

MPS (. 6.4).

(S), - - (DI). , ( - ). DI .

, , , , . , , , , .

, . , , , - , , , .

-

)

, , . , , . , "- :

= + * DI.

- , , (, , ), (. 6.5).

( - aggregate expenditure), - (N! - national income). . , C+I, +I+G . FE .

, , , ( ).

, . , . , . , , S0 NI0. . , - . , , . NIl ( , ). . , , .

.( )

. .

, . , , () () , .

(, , - ). .

(. 6.6). 1000 , ( ) ( ) 60% 40% . , 1000 600. , 600 , 360 ..

:

1000 (0.60 +0,61+0,62 + 0,63...) = 1000 1 / (1 - 0,6) = 1000 / 0,4 = 2500.

, 2,5 . 1000 , oi , .

(S, I), - (NI). (S). (I0 I1). (FE) .

, 1000 ( 1000 2000 .), 2,5 2,5 ( 5000 7500 .). , .

.

, , , . , , . , , . , , , , . , . , , .

. ! , . , . , , , .

. . , . - ! , .

. , , . , , , . . (. 6.7).

(AD, A S), - (NI). AS , AD - . FE1 FE2 .

, . , . , .

(+I), (G) (n). (ON), AD = AS.

.

, ( IG -inflationary gap). (FE0 (NI). , ( DG - deflationary gap). (FE2) (NI).

, , , , . , , , .

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

1. , .

, .

, , , .

, () , .

 





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