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Table 9 The result of the mechanism test

From: Evaluating the CO2 abatement effects of low-carbon city policy in China: a quasi-natural experiment

 

Model (1)

Model (2)

Model (3)

Model (4)

Model (5)

Model (6)

scale effect

structural effect

technological progress

size

Efficiency

stru

Efficiency

teco

Efficiency

du × dt

− 0.0506***

0.0057

− 0.0095***

0.0103**

0.1680***

0.0077*

(0.0196)

(0.0039)

(0.0027)

(0.0043)

(0.0175)

(0.0043)

size

 

−0.0898***

    
 

(0.0033)

    

stru

   

−0.2484***

  
   

(0.0260)

  

teco

     

0.0155***

     

(0.0040)

Constant

15.2430***

3.0892***

0.7114***

1.7201***

4.3229***

1.6531***

(0.3673)

(0.0884)

(0.0500)

(0.0800)

(0.3284)

(0.0817)

City FE

YES

YES

YES

YES

YES

YES

Year FE

YES

YES

YES

YES

YES

YES

Control variables

YES

YES

YES

YES

YES

YES

Obs

3948

3948

3948

3948

3948

3948

R2

0.657

0.459

0.350

0.348

0.150

0.351

F

348.7476

147.2296

109.0619

97.3081

32.0647

93.7305

  1. Notes: (1) ***, **, * indicate that the levels of significance are at 1%, 5% and 10%, respectively
  2. (2) Figures in the parentheses are standard errors