4,
:
0 + +
1 + ,
2 + + +
3 M1 + +
4 M1 + + / ; M4 .
4. . LM.
AD-AS () . IS-LM . () , , , .
IS-LM (- , - ) - - , , . R Y, . IS-LM AD-AS.
: (), (), / (), Մ ( ), R ( ).
: G ( ), MS ( ), / ( ).
(a, b, e, d, g, , n, k, h) .
, (Y*Y*), (), R Y . = const, .
, (Y=Y*), . MS ( ) , - .
IS - . , Y R, , , . IS . IS (Investment = Savings).
|
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IS (. .9.1).
(. .9.2).
IS
IS 2, 3 4 R Y.
IS , :
1) (d) (n) ;
2) () ;
3) (I) ;
4) (') ;
G , IS . / . IS , , . (d, n ') , .
LM - . Y R, s.
LM . LM (Liquidity Preference = Money Supply) (. .9.3).
.9.3, : Y , , R, R2. .9.3, LM: , .
LM
LM 5 R Y. LM :
IS, .
LM , :
1) (h) ;
2) (k) .
s LM .
IS LM (..9.4).
R IS LM Y:
Y .
R YB IS LM R.
9.2. - - .
- . , (. .9.5).
G , , . , , , . Y , . R. Մ. Y, . , , .
|
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- . , .
Ms R (. .9.6), . . Y , . n : Y, , , . n Y R, n.
- - :
) ( d n);
) ( h).
. , , , , .
:
1) , d n . R n, Y . IS (. .9.7). LM .
2) R, . R , ( n R). LM (..9.8). IS .
IS LM(..9.9). , , d . / (Y0Y/).
, .
, :
1)
, d n . R n Y . IS (..9.10) LM .
2) R. , , R. d . LM (..9.11). IS .
|
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IS LM. Y, (YgYf), , , d n .
. .
2- :
1) I n . IS (..9.13). R I n, Y. LM .
2) R. LM (..9.14). , I n d n. IS .
- LM IS (..9.15). dun . Y, (YoYj), .
- R, .
IS LM. h R , I n .
=
9.3. . AD-AS IS-LM .
Y (. 1) . :
I , LM (. . 9.19-). R, I n.
, . AD IS LM, - - (..9.20 .9.21).
-
. (. . 9.22.).
G ( 7) IS IS', AD'. AD - 0 PJ. LM ( LM1). .
|
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: . . AS . , R0 R2. , , . .
- .
(..9.23).
LM LM', AD AD'. AD - 1 2. LM' LM". .
: AS AS'. 1 2 LM" LM, . ' , RQ 0 2 . , . .
, ( ). .
, , "" . , , - - . , , .
, , . . .
: ... ..
:
1. , ... ..
2. ..
. 6 27.02.12