Table 5 Heterogeneity analysis results according to developmental stage.

From: Ecological footprints, carbon emissions, and energy transitions: the impact of artificial intelligence (AI)

 

High-income countries

Middle-income countries

 

(1)

(2)

(3)

(7)

(8)

(9)

VARIABLES

lnEF

lnCE

lnES

lnEF

lnCE

lnES

L.lnY

0.9191***

0.8700***

0.9355***

0.8274***

0.6228***

0.6977***

 

(0.0138)

(0.0312)

(0.0032)

(0.0645)

(0.0659)

(0.1130)

LNAI

−0.0016***

−0.0017***

0.0053***

−0.0028***

−0.0032***

0.0001

 

(0.0004)

(0.0002)

(0.0008)

(0.0008)

(0.0006)

(0.0015)

LNNRR

0.0039

0.0065***

−0.0413***

0.0119

0.0096*

−0.0314***

 

(0.0035)

(0.0022)

(0.0045)

(0.0084)

(0.0057)

(0.0103)

LNURB

0.0152

−0.0853**

−0.1794

0.2371

−0.5328***

−1.1349**

 

(0.1672)

(0.0378)

(0.1726)

(0.4686)

(0.1433)

(0.4553)

LNGOV

−0.0328*

−0.0882***

0.1022***

−0.1641***

−0.0360**

−0.0293

 

(0.0191)

(0.0131)

(0.0187)

(0.0358)

(0.0182)

(0.1318)

LNED

0.0552***

0.0597***

−0.3360***

0.0145

0.3376***

0.3993***

 

(0.0125)

(0.0108)

(0.0239)

(0.1227)

(0.0394)

(0.1531)

LNFES

0.0658***

0.1479***

−0.1526***

0.0346

1.3510***

−0.7495***

 

(0.0250)

(0.0226)

(0.0484)

(0.4668)

(0.3709)

(0.1954)

LNEUSE

0.0811***

0.0472***

−0.0893***

−0.0608

0.0696**

−0.1979

 

(0.0166)

(0.0111)

(0.0108)

(0.1144)

(0.0323)

(0.1533)

L.lnY

0.9191***

0.8700***

0.9355***

0.8274***

0.6228***

0.6977***

 

(0.0138)

(0.0312)

(0.0032)

(0.0645)

(0.0659)

(0.1130)

Constant

−1.1669

−0.6114***

5.1356***

−0.4338

−6.2707***

6.0620***

 

(0.7441)

(0.1827)

(0.6394)

(2.6129)

(1.5334)

(1.3391)

Observations

1,066

1,066

1,066

676

676

676

Number of id

41

41

41

26

26

26

  1. Standard errors in parentheses.
  2. ***p < 0.01; **p < 0.05; *p < 0.1.