: . IS-LM.
: 31 ., 0 ., 4 ., 22 .
, , IS-LM,
, , , , .
: . IS-LM.
IS-LM ( - , - ), . , ( ) , , .
充...4
1. IS-LM..5
1.1. . IS.5
1.2. . LM.8
1.3. . IS-LM9
2. IS LM 16
充.29
ⅅ...31
- . , : . : , , .. XIX .
. XIX . - - XIX - XX .
1929 - 1933 ., . , , , . - XX . " , ", 1936 ., .
IS-LM, , . , - , . , .
|
|
- IS-LM.
.
:
.
(IS).
(LM).
IS-LM.
IS-LM
1.1. . IS
(AD - aggregate demand) (AS aggregate supply).
: . , , ( ) Y*, () ( ). .
. .. , , 1936 . , , , , .. . . -. - .
(, , ). . : AD = C + I + G + Xn, C ( ), I ( ), G Xn ( - , - (Xn = Im).
:
|
|
- ( ), .. P=const, .
- , .. R=const, .
- , .. , , .
- == ( , , .. = ).
- , ( , ).
- .
, , n = 0, ( ) , , .
1.2. . LM
LM Liqvidity ney ( ), .
, , . , . d Bd. Ms s.
, .. d + Bd = Ms + s.
, (Ms = d), (s = Bd). . .
, . ( = .). . i = r.
, LM, . LM, . . , () . , , , .
, , , . , , , .
- LM. 1, 2 , , . , , I.M .
, r Y , , LM .
|
|
( ) LM .
1.3. . IS-LM
. , , . 1. , (y *, i *), . [6, 84]
| , , , . y i . IS LM , , - . i y , . y i ? |
, H, . 2. [14, 491]
| yH iH (yS > yD M > L). yH iH , . - . , , , , . H ( . 2). |
. , . iF yH . ( F IS), . -, . -, , , . iF , , yH, . , y *, i *.
IS - LM , . [8, 147]
|
|
IS. IS , .
I. , , IS , I (. 3).
| i 0 y 2. , ( A LM). - , . , i 0 . y 2, y 1 , y 1, i 1. , . |
, , LM IS. a . 4, ( IS). , . . , , , , .
. , , , : yD (P). [3, 810]
, , - . . 4 LM 0 LM 1 IS IS ', . 4 B B '.
| . . 4 , E 0. P 0. . 4. y 0 P 0 A yD (P). P 1. , LM : LM 0 LM 1. y 1, i 1. , P 1 y 1. B yD (P). P 2, LM 0 LM 2. y 2. P 2, y 2 . 4 C. , yD (P). |
LM 0 LM 2 IS IS '', C, C ''. , ( yD (P) ).[12, 33]