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- IS-LM.




- . % rA , % . , . .. .

. , .. YA YB. . % rA rB, .

, % . .

, , YA YB, P0 P1.

6., : /, .

/ , . / ./ . . , . .

, . / (W) , . .

, /(ω), . .

W=ω * P e (2)

- . , .

. . /.

/, . (3) , . / . .

. - => - . .(Y=F(L)) .. : . .,

P>Pe, Y>YF

P<Pe, Y<YF

P=Pe, Y=YF

.. , . .

, , () :

1) ( , )

2) Y ( , )

- .

- -, -

P= p + a(Y-Yf) (1)

.

- . . . (1)

- , . .

P= Pe + a(Ye-Yf) (2)

Ye- . .

a-. .

, , .,.. P=Pe

S , 1-S , -

P=SPe+(1-S)(P+a(y-yf)) (3)

P=SPe+(1-S)(P+ay-ayf)

P= SPe+P+a(y-yf)-SP-Sa-(Y-Yf)

SP=SPe+(y-yf)(a-Sa) /S

P=Pe+(a-Sa)/S * (Y-Yf) (4)

S/(a-Sa)= S/ a*(1-S)=α (5)

P=Pe+ (y-ye)/ α

P=Pe+(y/ α)- (ye/ α)

1/ α=P-Pe+(1/ α)*yF

y= αP- αPe+yF

y=yf+ α(P-Pe)

(4) , Y Yf P>Pe

. S=0, , - ... , , .

8. , : , .

.

. :

1./

2. /

3. /

, , . , . /, /.

Ld=L(W/P), W/P- /

Ls=L(W/Pe), W/Pe - /

P Pe , W/Pe W/P, /, , /.

W/Pe= W/P*P/Pe =>LS=L(W/P* P/Pe )

P=Pe , , P>Pe , , , / >, , W/Pe>W/P => . => , > .





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