Table 8 Results of heterogeneity analysis.

From: The impact of China pilot carbon market policy on electricity carbon emissions

variant

HG

LG

Eastern

Central

Western

DID

− 414.5952

− 4119.809***

− 3069.425***

− 1377.248**

− 1778.517***

Control variables

Yes

Yes

Yes

Yes

Yes

Year fixed effects

Yes

Yes

Yes

Yes

Yes

Province fixed effects

Yes

Yes

Yes

Yes

Yes

R2

0.9044

0.9474

0.9549

0.8993

0.9109

Sample size

378

288

252

270

270