, , , , . - . .
, , :
Y+IM=C+I+X, (1)
Y / ,
IM ,
( , ),
/ (),
X .
- . , , , , , - . Y , .
, , . () (national income N1) , (, , , ). , () (net domestic product NDP). -, , (. 2.1).
@ () (gross domestic product GDP) , .
, Y GDP, , 1, ;
GDP=(C+I)+(X-IM). (2)
( ), ( ). , (factor income), - .
@ () (gross national product GNP) , , - .
GNP=GDP+NY=(C+I)+(X-IM+NY). (3)
@ (net factor income NY) , , .
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- :
, - , ;
-, , . , ;
, , , , - , .., , , , , ..
, . , . , , / Y . , . / .
@ () (gross national disposable income GDI) , - (NT).
, - (NT),
GDI=GNP+NT=(C+I)=(X-IM+NI+NT) (4)
@ (net transfers NT) -, , .
-. , , . - , . /, , .
4 :
(current account ba
lance CAB} (
), ,
CAB=X-IM+NY+NT.
(absorbtion ) , , , = +1.
(savings S) , , S=GDI-C. : S=Y-C.
, (4) :
CAB=Y-A, (5)
, . ( /) (/ ), ( ) .
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, . , , . , (=+1). , (Y), CAB. Y , CAB (X-IM); , CAB (NY); Y , CAB , (NT). , , , = =-1.
. ,
GDI=S+C (6)
(6) (4) npeo, :
CAB=S- I (7)
7 , . , . 5 7 , o . / , , . , , . , (, ) (, ). - , , . .