. , , . Dm Sm. , . Sm .
.
r0 Qm0.
, . , . , , .
, r1. , . . . , , . . r0, (Dm = Sm).
, r2. . . . , . . . r0, (Dm = Sm).
IS
IS - . , R, , , . IS . IS (Investment Savings).
IS .
.
IS
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IS 2, 3 4 R Y.
IS 1 .
IS , :
1) (d) ()
;
2) () ;
3) (-) ;
4) (9) ;
G IS . - . IS , , . (d, n ) , .
LM . Ji, Ms. LM . LM (Liquidity Preference = Money Supply)
IS-LM
IS-LM . (demand-side), .
IS-LM 1937 . " " 1949 . " " ( -).
IS (-) R Y, . IS ( ), , , , .
, , .. . , - IS. ( ), (Investment=Savings).
LM (-) , , ( ) . , - LM (Liquidity preference=Money supply), , .
(IS) (LM) R ( ) Y ( ), .
IS-LM : 1) ; 2) , , ; 3) ; 4) ; 5) , ; 6) .
IS-LM :
1) (=const) , ;
2) ( ) ;
3) (Y), (C), (I), (X) ;
4) (G), (M), (t) ( );
5) ==, . . " " , IS-LM ; () . .
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