.


:




:

































 

 

 

 


IS-LM




 

: . 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]

. 1.

 

, , , . y i . IS LM , , - . i y , . y i ?

, H, . 2. [14, 491]

. 2.

 

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).

. 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.

 

. . 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]






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