变量 | 10% | 25% | 50% | 75% | 90% |
数字化指数 | 0.152*** (0.051) | 0.109** (0.054) | 0.191** (0.076) | 0.235*** (0.089) | 0.362*** (0.079) |
控制变量 | √ | √ | √ | √ | √ |
_cons | −0.022 (0.123) | −0.207** (0.103) | −0.279 (0.191) | −0.204 (0.153) | −0.206 (0.156) |
R2 | 0.461 | 0.488 | 0.540 | 0.614 | 0.645 |
Obs. | 240 | 240 | 240 | 240 | 240 |