Variable

Coefficient

Std. Error

t-Statistic

Prob.

C

8.178747

0.098344

83.16507

0.0000

ΔlnCO₂

0.812077

0.046633

17.41422

0.0000

Weighted Statistics

R-squared

0.775083

Mean dependent var

9.173282

Adjusted R-squared

0.772527

S.D. dependent var

1.592501

S.E. of regression

0.75953

Sum squared resid

50.76595

F-statistic

303.2549

Durbin-Watson stat

0.055106

Test Results for Z unit root

Variable

Levin, Lin & Chu t*

Im, Pesaran and Shin W-stat

ADF-Fisher Chi-square

PP-Fisher Chi-square

Z

−1.12274

−0.0186

19.7982

20.5359

∆lnZ

0.1308**

0.4926**

0.3443**

0.3035**