Regression results categorized by regions
| Categorization | Area of China | ||
|---|---|---|---|
| Group | West | Central | East |
| DID | 0.057 | 0.179** | 0.574*** |
| (0.87) | (2.50) | (3.34) | |
| Control variables | Controlled | Controlled | Controlled |
| Constant | −10.048*** | −13.955 | −46.934*** |
| (−14.04) | (−11.61) | (−13.55) | |
| Observations | 814 | 718 | 669 |
| R-squared | 0.932 | 0.938 | 0.938 |
| Categorization | Area of China | ||
|---|---|---|---|
| Group | West | Central | East |
| DID | 0.057 | 0.179** | 0.574*** |
| (0.87) | (2.50) | (3.34) | |
| Control variables | Controlled | Controlled | Controlled |
| Constant | −10.048*** | −13.955 | −46.934*** |
| (−14.04) | (−11.61) | (−13.55) | |
| Observations | 814 | 718 | 669 |
| R-squared | 0.932 | 0.938 | 0.938 |
Source(s): Authors' own work
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