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创新投入为门槛变量 | 创新产出水平为门槛变量 | 经济发展水平为门槛变量 | |||
| 变量/参数 | 系数 | 变量/参数 | 系数 | 变量/参数 | 系数 |
| TI ≤ 5.8434 | 0.702** (2.49) | TO ≤ 11.643 | 0.646*** (2.92) | EL ≤ 11.5502 | 0.805** (2.54) |
| TI > 5.8434 | 1.044*** (4.94) | TO > 11.643 | 1.140*** (7.04) | EL > 11.5502 | 1.176*** (4.97) |
| URB | 4.590*** (12.90) | URB | 4.551*** (13.99) | URB | 4.502*** (11.71) |
| GOV | −2.273*** (−5.50) | GOV | −2.152*** (−5.40) | GOV | −2.270*** (−5.29) |
| FDI | 3.286*** (3.44) | FDI | 2.741*** (3.40) | FDI | 2.532*** (3.66) |
| SI | 0.950*** (2.96) | SI | 1.035*** (3.35) | SI | 0.932*** (2.76) |
| _cons | 7.089*** (19.78) | _cons | 7.033*** (19.69) | _cons | 7.138*** (19.05) |
| R2 | 0.893 | R2 | 0.897 | R2 | 0.896 |
| Adj-R2 | 0.890 | Adj-R2 | 0.895 | Adj-R2 | 0.893 |
| 观测值 | 248 | 观测值 | 248 | 观测值 | 248 |