4.
1.
2. .
(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, ( ) , , ).
, . ( ) ( I).