,
. . (AD). (AS). . . . . AD AS. ( ). .
. . . . . .
. . . . , 1. (C) (S).
. . . , . . , 1.
, , . , :
= C + I + G + (X M),
C ;
I ;
G ;
(X M) .
2.1 .
, (. 2.1).
. 2.1.
. AD. , AD . .
( ), AD, : , . , , .
, . , . . AS (. 2.2): (), () ().
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AS. : ; ; . .
. 2.2. . I , II , III .
. AD AS AD AS ( 2.3).
. 2.3. AD AS
AD AS , , , , .
AD AS. AD AS . , . AD AS . , .
( ) (. 2.4).
: , , . :
= C + I + G + (X M).
(mpc) , , () () :
Lt; mpc<1.
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. 2.4.
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Lt; mps<1.
1:
mpc + mps = 1.
(.. ) (apc), (.. ) (aps):