Table 7 Mechanism analysis.
From: Study on carbon emission reduction effect of institutional openness in China
Digital transformation | Green technology innovation | |||
|---|---|---|---|---|
Digital economy index | carbon emission | Number of green patents granted | carbon emission | |
Policyit | 0.468*** | − 0.143** | 0.224*** | − 0.162** |
(3.23) | (− 2.26) | (2.58) | (− 2.44) | |
lndi×edu | − 0.015** | |||
(1.96) | ||||
lngp | 0.045*** | |||
(3.14) | ||||
Control | Yes | Yes | Yes | Yes |
City FE | Yes | Yes | Yes | Yes |
Year FE | Yes | Yes | Yes | Yes |
Total Effect | − 0.150** | − 0.152** | ||
(− 2.37) | (− 2.29) | |||
Direct Effect | − 0.143** | − 0.162** | ||
(− 2.26) | (− 2.44) | |||
Indirect Effect | − 0.007* | 0.010** | ||
(− 1.67) | (1.99) | |||
Proportion of intermediary effect | 4.57% | 6.65% | ||
R2 | 0.163 | 0.408 | 0.024 | 0.396 |
N | 3976 | 3976 | 3976 | 3976 |
