| 变量 | 模型10 | 模型11 | 模型12 | 模型13 |
| ln_sqi_gfmzl | ln_sqi_gsyzl | ln_sqi_gzlhj | ||
| Suc | −0.0985*** | −0.0511*** | −0.0791*** | −0.0408* |
| (−5.3975) | (−2.8259) | (−5.3592) | (−1.9062) | |
| Size | 0.1804*** | 0.1433*** | 0.1345*** | 0.0515*** |
| (16.4236) | (13.1568) | (14.9026) | (3.9429) | |
| Fage | −0.1665*** | −0.2015*** | −0.0768** | −0.5161*** |
| (−4.3915) | (−5.3634) | (−2.4637) | (−10.1859) | |
| TobinQ | 0.0217*** | 0.0154* | 0.0074 | −0.0042 |
| (2.6148) | (1.8750) | (1.0629) | (−0.4684) | |
| LEV | 0.2322*** | 0.3288*** | 0.2714*** | 0.0012 |
| (3.9434) | (5.6335) | (5.4906) | (0.0199) | |
| ROA | 0.7989*** | 0.7917*** | 0.7150*** | 0.4478*** |
| (5.2165) | (5.2157) | (5.5547) | (2.8718) | |
| Dual | 0.0396** | −0.0154 | 0.0116 | −0.0521** |
| (2.2278) | (−0.8772) | (0.8160) | (−2.3999) | |
| Top1 | 0.0003 | 0.0012* | 0.0004 | −0.0018** |
| (0.4113) | (1.8546) | (0.8167) | (−2.3895) | |
| _cons | −3.8474*** | −2.9469*** | −2.8430*** | 0.6304** |
| (−13.6418) | (−10.5424) | (−11.9594) | (2.0158) | |
| N | 12848 | 12848 | 10583 | 2265 |
| R2 | 0.083 | 0.099 | 0.137 | 0.130 |
| adj. R2 | 0.080 | 0.096 | 0.133 | 0.114 |