模型

模型(1)

模型(2)

模型(3)

模型(4)

模型(5)

模型(6)

模型(7)

(不加D1)

被解释变量

Y1

Y1

Y1

Y1

Y1

Y1

Y1

C

−9.985**

−9.56**

−10.004**

−6.869**

−2.385

−6.869**

−11.513**

(−19.382)

(−18.277)

(−17.132)

(−11.835)

(−1.194)

(−11.835)

(−4.062)

X1

2.942**

2.091**

1.485**

1.423**

1.097**

1.423**

2.473

(33.738)

(−5.232)

(2.401)

(4.139)

(3.119)

(4.139)

(1.857)

X2

0.452**

1.459

0.816**

0.663**

0.816**

−0.026

(2.107)

(1.951)

(4.430)

(2.842)

(4.430)

(−0.036)

X3

−0.661

(−0.155)

X4

0.536**

0.865**

0.536**

0.964

(−5.812)

(−5.608)

(−5.812)

(1.777)

X5

0.137

(2.159)

D1

−1.287**

−1.279**

−1.314**

−1.496**

−1.539**

−1.496**

(−5.185)

(−4.941)

(−5.097)

(−5.891)

(−5.914)

(−5.891)

F-statistic

205.896

136.806

100.655

121.202

93.915

121.202

25.471

总体R2

0.954

0.956

0.957

0.964

0.965

0.964

0.800