- IS
IS - . , , ΔG, r ΔY, (2.6). , IS .
, Δ, IS , (2.7) (. 2.8).
. 2.8
IS-LM. , , .. (2.2) (2.3) :
(2.2) |
b==nst, 0<b<1; - , >0
(2.3) |
>0, d>0, ,
d - .
, (2.1) (2.2'),(2.3'),(2.4),(2.5), IS Y r:
(2.8) | |
(2.9) |
r Y:
(2.10) |
, : T=tY, t - (0 < t < 1). :
(2.2) |
a IS :
(2.9) |
(2.10) |
(b, d, t) IS, (Y, r) G . , G (2.9) (2.9') , IS r.