Table 3 Regression results of synergistic effect of CRWS in the YRDUA.

From: Evaluation of synergistic and regulatory effects of carbon-reduction and water-saving in the Yangtze River Delta Urban Agglomeration

Variable

(1)

(2)

(3)

(4)

(5)

(6)

(7)

WU

0.003***

(3.317)

  

0.002**

(2.189)

   

WS

 

-0.001**

(-2.142)

  

-0.001**

(-2.059)

 

-0.003**

(-2.380)

EW

  

-0.001***

(-3.384)

  

-0.001***

(-5.238)

 

ECI

0.004*

(1.714)

0.006**

(2.256)

0.012***

(3.726)

0.004**

(2.437)

0.003*

(1.676)

0.005*

(1.644)

0.006**

(2.523)

ECS

0.286***

(5.803)

0.305***

(6.187)

0.100**

(2.125)

0.290***

(5.737)

0.291***

(5.769)

0.305***

(6.000)

0.280***

(5.645)

IS

0.001***

(7.108)

0.001***

(6.764)

0.004***

(12.064)

0.002***

(6.564)

0.002***

(6.780)

0.001***

(5.807)

0.001***

(6.909)

IIS

-0.002***

(-2.716)

-0.002**

(-2.285)

-0.003**

(-2.062)

-0.002***

(-2.688)

-0.002**

(2.473)

-0.002**

(-2.080)

-0.002**

(-2.573)

Constant

-0.119***

(-3.276)

-0.119***

(-3.220)

-0.087***

(-2.603)

-0.122***

(-3.273)

-0.116***

(-3.093)

-0.124***

(-3.309)

-0.100***

(-2.687)

Adjust R2

0.417

0.381

0.367

0.318

0.317

0.307

0.312

F test

27.068***

25.205***

24.012***

25.241***

25.079***

23.914***

24.535***

  1. The value in parenthesis refers to t-value. ***, ** and ** indicate significant differences at the 10%, 5%, and 1% levels, respectively. The same below.
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