Table 7 Results of direct and indirect effects.

From: The spatial spillover effect of ICT development level on regional CO2 emissions

Variables

Direct effect

Indirect effects

Total effect

Coefficient

Z-value

Coefficient

Z-value

Coefficient

Z-value

ICT

− 0.704***

− 6.94

1.421*

1.89

0.717

0.96

hca

0.0232***

3.90

− 0.195

− 1.40

− 0.172

− 1.23

fdi

0.0238

0.13

− 7.677**

− 2.21

− 7.654**

− 2.20

fex

− 0.0225

− 0.74

− 0.149

− 0.28

0.171

− 0.33

gdp

0.0832***

5.55

0.161

1.25

0.244*

1.91

hos

0.0837***

3.86

− 0.149

− 1.26

− 0.652

− 0.55

ere

0.0225***

4.41

− 0.0407

− 0.88

− 0.0182

− 0.39