Table 3 Robustness test results.

From: Can carbon trading policy boost upgrading and optimization of industrial structure? An empirical study based on data from China

 

(1)

(2)

(3)

(4)

SA

SR

SA

SR

treat×post

0.185*** (7.79)

−0.006** (−2.28)

0.197*** (7.87)

−0.006** (−2.35)

Constant

−3.247*** (−10.55)

1.120*** (35.37)

−3.062*** (−9.58)

1.110*** (34.15)

Control variables

Control

Control

Control

Control

Individual fixed

Yes

Yes

Yes

Yes

Time fixed

Yes

Yes

Yes

Yes

N

3015

3015

2814

2814

R2

0.696

0.201

0.702

0.205

  1. Note: In parentheses are the statistical values of t for each coefficient, and *, **, and *** represent the significance levels of 10%, 5%, and 1%, respectively.
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