解释变量 | 模型(7) | 模型(8) | 模型(9) | 模型(10) | 模型(11) | 模型(12) |
BDS | −0.0005 (0.002) | 0.002 (0.003) | 0.004 (0.003) | 0.004 (0.003) | 0.003 (0.003) | 0.003 (0.003) |
Bshare | −0.007 (0.004) | 0.004 (0.008) | 0.003 (0.009) | 0.003 (0.009) | 0.003 (0.010) | 0.003 (0.010) |
Sex | 0.143*** (0.016) | 0.101*** (0.014) | 0.101*** (0.010) | 0.093*** (0.009) | 0.112*** (0.014) | 0.105*** (0.015) |
Lev | 0.079* (0.034) | 0.085** (0.025) | 0.078** (0.026) | 0.078** (0.026) | 0.078** (0.023) | 0.081** (0.023) |
Growth | 0.070* (0.027) | 0.101** (0.034) | 0.099** (0.034) | 0.067** (0.101) | 0.100** (0.035) | 0.101** (0.035) |
Dual | 0.023** (0.006) | 0.008 (0.015) | 0.004 (0.014) | 0.004 (0.014) | 0.009 (0.014) | 0.010 (0.014) |
Roa | −0.167 (0.088) | −0.334 (0.165) | −0.386 (0.164) | −0.399* (0.160) | −0.314 (0.173) | −0.313* (0.173) |
CEOopen |
| 0.001** (0.0004) | 0.002** (0.001) | −0.018* (0.007) | 0.002* (0.001) | 0.012*** (0.002) |
Scale |
|
| −0.001** (0.001) | −0.001** (0.001) |
|
|
Tenure |
|
|
|
| 0.006 (0.003) | 0.005 (0.003) |
CEOopen × Scale |
|
|
| 0.001** (0.0005) |
|
|
CEOopen × Tenure |
|
|
|
|
| −0.002*** (0.0004) |
Year | Control | Control | Control | Control | Control | Control |
Within-R2 | 0.253 | 0.237 | 0.238 | 0.239 | 0.239 | 0.240 |