Example of Constant MPC Y(1) C(2) CY(3) MPC(4) a 0 0.75 00 b 1 1.5 1.50 0.75 C 2 2.25 1.125 0.75 d 3 3.0 1.0 0.75 e 4 3.75 0.936 0.75 f 5 4.50 0.9 0.75 g 6 5.25 0.875 0.75 电子科大经管学院马捷 6 元 元元元元
Example of Constant MPC Y(1) C(2) C/Y(3) MPC(4) a 0 0.75 ∞ b 1 1.5 1.50 0.75 c 2 2.25 1.125 0.75 d 3 3.0 1.0 0.75 e 4 3.75 0.936 0.75 f 5 4.50 0.9 0.75 g 6 5.25 0.875 0.75 电子科大经管学院 马捷 6
MPC and C Curve 45°线 5 C MPC=0.75 消费函数 4 e 3 △C=0.75 2 b △YD=1 通子科大经备学院马建 5 7
消费函数 1 2 3 4 5 012345 a b c d e f 45o 线 C = 0.75 MPC= 0.75 MPC and C Curve YD = 1 C Y 电子科大经管学院 马捷 7
Change of Consumption A.Movement of consumption 4 point 3 Reason:Change 2 b of disposable income 0 电子科大经管学虎马捷2 3 4 8
Change of Consumption A. Movement of consumption point Reason: Change of disposable income a b c d e f 0 1 1 2 2 3 3 4 4 电子科大经管学院 马捷 8
Change of Consumption in AD-AS 4 3 AS 2 AD2 1 AD1 0 子科大经学院马捷 9
Change of Consumption in AD-AS 1 2 3 4 012345 AS AD1 P Y AD2 电子科大经管学院 马捷 9
Absolute Income Hypothesis The consumption level of a household depends not on its relative income but on its absolute level of income C=C+cY C>00<c<1 0<MPC<1, MPC<0,MPC<APC=C/Y 电子科大经管学院马捷 10
Absolute Income Hypothesis The consumption level of a household depends not on its relative income but on its absolute level of income 0<MPC<1, , MPC<APC=C/Y 电子科大经管学院 马捷 0 dY dMPC C C0 cY, C0 0, 0 c 1 10