Y=C+I+G+X-M
=(100+0.8Y)+100+100+0-0
=0.8Y+300
Y=0.8Y+300
Y-0.8Y=0.2Y=300
=>Y=300/0.2=1500
18 已知 C=100+0.8Y,I=100,G=100(C 為消費,Y 為產出..-阿摩線上測驗