9. IS-LM
1. IS-LM
2. . . , .
IS-LM
IS-LM , IS LM Y R, , .. ( ) ( ).
IS-LM , IS-LM . ( AD-AS) .
AD.
AD IS-LM (.9.1.()).
. 9.1. AD
) ) )
IS-LM IS-LM IS-LM
R M2 R LM IS LM1 IS LM1
LM3 LM2
R2
R1 IS2
R3 IS1
Y2 Y1 Y3 Y Y Y
AD AD AD
2 2 2
1 1 1
3 3 3
AD2 AD AD1 AD2 AD1
Y2 Y1 Y3 Y Y Y
() (/)S, () , LM. 1 /1, LM1, Y1 R1. , 1 Y1 ( ). 2 (2 > 1), (/2 < /1), LM LM2, Y2. 3, , LM LM3, Y3. , 3 3.
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, ( AD), ( ) , . AD , : 1) ( ), .. ; 2) , .. 3) ( ), .. -.
AD. IS-LM, , :
Y = kA (A bR)
(M/P) = kY hR
, kA , b , k , h .
IS, LM. , :
hkA bkA
AD: Y = --------- A + ---------- (M/P)
h+kbkA h+kbkA
(multA), , :
hkA
Y = --------- A = multAA
h+kbkA
, b / h. b IS , h LM .
(multM), , .
bkA
Y = --------- (/) = multM (/)
h+kbkA
, h , LM , b kA ( IS ).
AD. (.9.1.() .9.1.()), .
, . . . , , .