Example(Kleins model) Consumption CT=C(1)+C(2)*P+C(3)*P(1)+C(4米(W1+W2 Investment: I=C(5)+C(6)*P+C(7)*P(1)+C(8)*K(1) Demand for labor W1=C9)+C(10*X+C(11)*X(1)+C(12*ME 恒等式:Ⅹ=CT+I+G;P=X-TW1; K=K(-1)+IExample (Klein’s Model) Consumption: ◼ CT=C(1)+C(2)*P+C(3)*P(-1)+C(4)*(W1+W2) Investment: ◼ I=C(5)+C(6)*P+C(7)*P(-1)+C(8)*K(-1) Demand for labor: ◼ W1=C(9)+C(10)*X+C(11)*X(-1)+C(12)*TIME 恒等式：X=CT+I+G；P=X-T-W1； K=K(-1)+I