ϴ , ̷ ϴ ϹԴϴ. ƹ л ƴϴ ϴµ ϴ κ ֽϴ. ܼ 鼭 ϴ Խ 쿬 ˰ԵǾ ϰԵ ο Ǿϴ.
ֱ Һ ؼ ϸ鼭 ҺԼ 2 · õǴ ҽϴ.
Ѱ Һ ܼ ҵ Լ ϴ ·
C=c(Y-T) (C=Һ, c= ѰҺ, Y=ҵ, T= )
ҺԼ ʼҺ(Һ, Һ) ߰ ¿ϴ.
C=c+mpc(Y-T) (c=ʼҺ, mpc=ѰҺ)
[ ª ҵ̷ ¸ ̰ ڴ Ŀ ¸ ̶ ߽ϴ.]
ϸ鼭 ǹ ϴ.
м ܱ ҵ () APC ()ϰ δ APC ҵ ұ ߽ϴ, ҺԼ ܱ APC Կ Ѵٴ õǾϴ.
1. (C=c(Y-T)) ؼ Ƿ APC=MPC Ǿ MPC ϴٴ ƴ.
2. (C=c+mpc(Y-T)) ؼѴ ʼҺ ʼҰ Һ ʼ Һ ȭѴٴ δ ʼҺ ҵ Լ ִٰ ؼ ִٰ մϴ. ܱδ
C=c+mpc(Y-T) δ
C=(mpc+a)(Y-T)(a= Һ ȭ) Ǿ Һ Ѵٰ ؼ ?
̷ ߴ ڵ ã ϴ.
Ȥ ǽŴٸ ° ʴ ֽŴٸ ϰڽϴ.
ֱ Һ ؼ ϸ鼭 ҺԼ 2 · õǴ ҽϴ.
Ѱ Һ ܼ ҵ Լ ϴ ·
C=c(Y-T) (C=Һ, c= ѰҺ, Y=ҵ, T= )
ҺԼ ʼҺ(Һ, Һ) ߰ ¿ϴ.
C=c+mpc(Y-T) (c=ʼҺ, mpc=ѰҺ)
[ ª ҵ̷ ¸ ̰ ڴ Ŀ ¸ ̶ ߽ϴ.]
ϸ鼭 ǹ ϴ.
м ܱ ҵ () APC ()ϰ δ APC ҵ ұ ߽ϴ, ҺԼ ܱ APC Կ Ѵٴ õǾϴ.
1. (C=c(Y-T)) ؼ Ƿ APC=MPC Ǿ MPC ϴٴ ƴ.
2. (C=c+mpc(Y-T)) ؼѴ ʼҺ ʼҰ Һ ʼ Һ ȭѴٴ δ ʼҺ ҵ Լ ִٰ ؼ ִٰ մϴ. ܱδ
C=c+mpc(Y-T) δ
C=(mpc+a)(Y-T)(a= Һ ȭ) Ǿ Һ Ѵٰ ؼ ?
̷ ߴ ڵ ã ϴ.
Ȥ ǽŴٸ ° ʴ ֽŴٸ ϰڽϴ.