模型

模型(15)

模型(16)

模型(17)

模型(18)

模型(19)

(不加D₁)

被解释变量

Y₃

Y₃

Y₃

Y₃

Y₃

C

−8.533^**

−12.839^**

−7.331

−12.839^**

−19.241^**

(−5.668)

(−10.883)

(−1.611)

(−10.883)

(−4.399)

X₁

2.324^**

2.292^**

1.584^**

2.292^**

1.202^**

(8.663)

(10.423)

(2.845)

(10.423)

(2.360)

X₄

0.983^**

0.567

0.983^**

3.722^**

(2.902)

(1.090)

(2.902)

(4.265)

X₅

0.158

(1.262)

D₁

−3.372^**

−2.965^**

−3.027^**

−2.965^**

(−12.315)

(−9.078)

(−8.637)

(−9.078)

F-statistic

130.176

120.254

87.133

120.254

10.739

总体R²

0.929

0.950

0.951

0.950

0.518