| (1) | (2) | (3) |
| 东部地区 | 中部地区 | 西部地区 |
GC | −0.195*** | −0.061 | 0.079 |
| (−3.73) | (−0.59) | (0.21) |
soe | 0.368 | −0.925** | −0.303 |
| (1.56) | (−2.14) | (−0.24) |
size | −0.260*** | −0.137 | −0.350 |
| (−3.19) | (−0.77) | (−0.86) |
roa | 2.415* | −0.167 | −3.688 |
| (1.69) | (−0.05) | (−0.80) |
etaxrt | −0.951 | −0.130 | 1.395 |
| (−1.32) | (−0.22) | (0.92) |
kxzc_ln | 0.104 | −0.013 | 0.123 |
| (0.89) | (−0.21) | (0.61) |
age | −0.503* | −0.441 | −0.690 |
| (−1.77) | (−0.87) | (−0.39) |
shcr1 | −0.481 | −1.461 | −1.218 |
| (−0.74) | (−1.46) | (−0.30) |
年份效应 | 控制 | 控制 | 控制 |
行业效应 | 控制 | 控制 | 控制 |
Constant | −10.582*** | −11.086*** | −6.301 |
| (−4.51) | (−3.11) | (−0.80) |
Observations | 543 | 183 | 53 |
r2_a | 0.130 | 0.0848 | −0.178 |