| (1) | (2) | (3) | (4) |
ROA | ROA | ROA | ROA | |
ESG | 0.003 | 0.004*** | 0.004*** | 0.003*** |
| (0.63) | (6.68) | (5.47) | (5.80) |
划分依据 | 非科技企业 | 科技企业 | 经济发达地区 | 非经济发达地区 |
Lev | −0.100** | −0.136*** | −0.123*** | −0.156*** |
| (−2.18) | (−21.20) | (−15.09) | (−22.72) |
Size | −0.001 | −0.010*** | −0.008*** | −0.006*** |
| (−0.14) | (−5.35) | (−3.68) | (−3.55) |
Gr | 0.005 | 0.006*** | 0.004*** | 0.005*** |
| (1.01) | (7.03) | (5.56) | (6.86) |
Indep | 0.023 | −0.036** | −0.032* | −0.027* |
| (0.35) | (−2.24) | (−1.65) | (−1.80) |
Age | −0.007 | −0.009*** | −0.010*** | −0.006*** |
| (−0.58) | (−6.38) | (−5.20) | (−3.89) |
Top1 | 0.140 | 0.079*** | 0.059*** | 0.071*** |
| (1.39) | (7.43) | (4.20) | (7.14) |
SOE | −0.045* | −0.010*** | −0.011** | −0.009** |
| (−1.92) | (−2.97) | (−2.08) | (−2.37) |
常数项 | 0.103 | 0.300*** | 0.271*** | 0.233*** |
| (0.45) | (7.44) | (5.50) | (5.94) |
个体效应λ | 控制 | 控制 | 控制 | 控制 |
时间效应μ | 控制 | 控制 | 控制 | 控制 |
N | 17,568 | 250 | 9,589 | 14,643 |
R-squared | 0.562 | 0.617 | 0.552 | 0.569 |