| Variable | Nationwide | Northeast | East | West | Central |
| TCt−1 | 0.3827*** | −0.082 | −0.2120*** | 0.1827 | 0.2637*** |
| (0.0860) | (0.1940) | (0.0740) | (0.1130) | (0.0750) | |
| Patent | 0.0116 | −0.0580** | 0.0039 | 0.0269*** | −0.0347* |
| (0.0110) | (0.0250) | (0.0110) | (0.0100) | (0.0210) | |
| Energy | −0.1376 | −0.3558** | 0.0878*** | −0.042 | −0.8486*** |
| (0.0870) | (0.1790) | (0.0320) | (0.1200) | (0.1820) | |
| Ownership | 0.0246 | 0.0598 | −0.1414** | 0.0592 | 0.0335 |
| (0.0450) | (0.1450) | (0.0600) | (0.1130) | (0.1100) | |
| Industrial | 0.1113 | 0.4097 | 0.1869*** | −0.1034 | −0.4052 |
| (0.1170) | (0.3360) | (0.0600) | (0.1830) | (0.5970) | |
| Urbanization | −0.07 | −0.3158 | −0.0417 | 0.0154 | −0.2202 |
| (0.1140) | (0.8120) | (0.0810) | (0.1960) | (0.1750) | |
| FDI | −0.0058 | −0.0003 | 0.0155* | −0.0155 | 0.028 |
| (0.0060) | (0.0100) | (0.0090) | (0.0100) | (0.0290) |