Variables

Fog-haze risk comprehensive index equation

Industrial structure equation

Energy use efficiency equation

Estimated value

Standard deviation

Estimated value

Standard deviation

Estimated value

Standard deviation

int

12.873

6.013

28.145

0.39

35.513

1.73

F t 1

0.99

3.399

0.037

0.061

0.035

0.269

F t 2

0.98

0.75

−0.000

0.004

−0.009

0.016

z g y t

−28.29

9.32

-

-

-

-

z g y t 1

26.515

5.296

0.99

1.63

0.93

7.15

z g y t 2

52.803

9.196

0.99

0.81

-0.116

3.856

e o e t

−17.464

9.40

-

-

-

-

e o e t 1

28.366

8.098

1.069

1.75

0.98

7.65

e o e t 2

11.247

8.276

0.41

0.53

0.99

2.33