Table 5 Panel threshold model estimation results.

From: Reexamining the impact of foreign direct investment on carbon emissions: does per capita GDP matter?

Model (2)

Threshold Numbers

Double

Threshold estimator (level = 95%)

γ1 = 2.7339, γ2 = 4.6676

 

Coef.

Std. Err.

t value

P > t

[95% Conf.Interval]

FD

0.2368

0.0578

4.10

0.000

0.1214

0.3523

ES

0.3470

0.1411

2.46

0.017

0.0652

0.6289

TS

−0.0269

0.0719

0.37

0.709

−0.1706

0.1166

TP

0.5472

0.1615

3.39

0.001

0.2247

0.8697

FDI(rjGDP ≤ γ1)

0.1180

0.0356

3.32

0.001

0.0469

0.1891

FDI(γ1 < rjGDP ≤ γ2)

0.0122

0.0113

1.08

0.284

−0.0104

0.0350

FDI(rjGDP ≥ γ2)

−0.0887

0.0196

4.53

0.000

−0.1279

−0.0496

constant

−4.3000

1.1228

3.83

0.000

−6.5419

−2.0581