Y0 : C, I, G NX. . AD .
∆A = ∆(a + i + g + nx) .
.
m = ∆Y/ ∆A,
m ; ∆Y - ; ∆A - , .
, () () . .
∆ Ca, (Y) , , , MPC*∆Ca. MPC*∆Ca .. -.
∆Ca↑ ═ AD↑ ═ Y↑═ C↑═ AD↑ ═ Y↑ ═ C↑ ..
. , .
, , , , . - , MPC ( ).
, (), .
Y0 Y*, , , .. ( AD = AS ).
. , . :
∆Y= * .
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, (), .
Y0 Y**, , . AD : , ( ). ( ). :
∆Y= - * .
.
, , . . : S S, . , Y0 Y1.
.12.
I I, Y0 . , , . : , .
, : , . AD AD1, Y1 Y2 P1 P2.
AD-AS , .
IS - LM
IS LM ( , ) - , , . (R) (Y), . AD-AS.
IS . %, . IS .
LM . Y R, (Ms). .
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LM , . LM . IS LM.
.13. IS-LM