5. 亅亅丐丐亅 亅 弌
仍亶 亟亳亶仆 亰舒舒亞 亟舒 勵亶仍亟于仍仆
弍勵亞亟勵勵仆亳亶 亰舒亟仍亞 4 亞 于舒舒仆舒.
1,亅 仂仆 弍舒舒舒 勵亶仍亳仍亞仆亳亶 亞仍- C d
2.亅 仂仆 弍舒舒舒 勵亶仍亳仍亞仆亳亶 唏唏仆亞唏 仂仍舒仍仆
亰舒亟舒仍- I d
3.亅 仂仆 弍舒舒舒 勵亶仍亳仍亞仆亳亶 亰舒亞亳亶仆 亞舒亰仆
亟舒仍亟舒仆 舒于舒仍- G d
4.丕仍 仂仆 亟仂仂仂亟仂亟 勵亶仍亟于仍亞亟仆 弍舒舒舒
勵亶仍亳仍亞仆亳亶 从仗仂-EX
6. Y (俗 ) = C + I + G + EX
d d d d
C = Cd + C f
I = Id + I f
G = Gd + G f
俗 = C C f + I I f + G G f + EX
俗 = C + I + G + ( EX C f I f G f )
俗 = C + I + G + NX
NX =俗 (C + I + G )
8. 丐乘 丱哦 哦 哦哦 丐丶
丕弌 乘 丐丶
C + + +
I G NX =Y
Y = +
C G I NX
I +NX = S
(I ) +
S NX = 0
Y =
C G S
S = g + p
S S
Sp =
Y T C
Sg =
T G
NX- 仍 仂仂仂仆亟仆 舒于舒舒 勵亶仍亳仍亞仆亳亶 亞舒仍
(I-S)- 唏仍弍唏亳亶仆 弍舒仍舒仆仆 从舒仗亳舒仍仆 唏亟唏仍亞唏唏仆亳亶
仂仂仂仂
¬