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The Official Journal of the Pan-Pacific Association of Input-Output Studies (PAPAIOS)

Table 2 Determinants of environmental efficiency

From: Does international trade improve environmental efficiency? An application of a super slacks-based measure of efficiency

 

SO2

NOx

PM10

CO2

SO2

NOx

PM10

CO2

Fixed

 ln I

0.343***

0.269***

0.221***

0.389***

0.423***

0.328***

0.288***

0.446***

 

(0.065)

(0.057)

(0.054)

(0.110)

(0.067)

(0.057)

(0.054)

(0.094)

 ln K/L

−0.073

0.007

0.017

−0.025

−0.253***

−0.158***

−0.136**

−0.230***

 

(0.075)

(0.056)

(0.059)

(0.071)

(0.066)

(0.049)

(0.053)

(0.072)

 ln T

0.095*

0.053

0.055

−0.049

0.130

0.068

0.086

−0.060

 

(0.055)

(0.038)

(0.045)

(0.079)

(0.081)

(0.049)

(0.060)

(0.114)

 Constant

−2.043***

−2.122***

−1.839***

−2.326***

−1.255**

−1.181**

−1.159*

−0.932

 

(0.176)

(0.516)

(0.549)

(0.697)

(0.630)

(0.579)

(0.606)

(0.583)

 Time dummies

No

No

No

No

Yes

Yes

Yes

Yes

 Adj R2

0.195

0.26

0.208

0.23

0.309

0.422

0.326

0.138

Random

 ln I

0.353***

0.285***

0.240***

0.395***

0.428***

0.337***

0.302***

0.451***

 

(0.064)

(0.057)

(0.055)

(0.116)

(0.063)

(0.055)

(0.053)

(0.103)

 ln K/L

−0.113*

−0.04

−0.023

−0.106

−0.258***

−0.168***

−0.146***

−0.266***

 

(0.065)

(0.053)

(0.055)

(0.071)

(0.059)

(0.046)

(0.050)

(0.079)

 ln T

0.093**

0.052

0.052

−0.021

0.113

0.056

0.071

−0.051

 

(0.047)

(0.033)

(0.037)

(0.056)

(0.071)

(0.042)

(0.051)

(0.085)

 Constant

−1.689***

−1.744***

−1.571***

−1.633***

−1.174**

−1.121***

−1.130**

−0.65

 

(0.394)

(0.387)

(0.414)

(0.473)

(0.468)

(0.426)

(0.439)

(0.426)

 Time dummies

No

No

No

No

Yes

Yes

Yes

Yes

 adj R2

0.195

0.26

0.208

0.055

0.317

0.433

0.338

0.151

 N

3439

3439

3439

3439

3439

3439

3439

3439

 Hausman

23.81***

59.75***

35.36***

24.95***

6.66

14.49

15.55

4.53

  1. (Note) The robust standard errors are in parenthesis. The statistical significance at the one, five, and ten percent levels are indicated by ***, **, and *, respectively