| 变量 | (1) | (2) | (3) | (4) |
| roa = 0 | roa = 1 | roa = 0 | roa = 1 | |
| UP1 | UP1 | UP1 | UP1 | |
| Ave_RD | 9.139*** | −1.340 | −19.677*** | 7.166 |
| (4.406) | (−0.734) | (−3.173) | (1.641) | |
| UW | 0.576* | −0.666** |
|
|
| (1.892) | (−2.244) |
|
| |
| Ave_RD*UW | −7.766*** | 3.779 |
|
|
| (−3.697) | (1.651) |
|
| |
| FR |
|
| −0.072 | 0.241 |
|
|
| (−0.258) | (1.011) | |
| Ave_RD*FR |
|
| 5.239*** | −1.573 |
|
|
| (3.549) | (−1.452) | |
| Turnover | 0.071*** | 0.075*** | 0.063*** | 0.068*** |
| (4.069) | (5.184) | (3.567) | (4.760) | |
| Pe | −0.004** | −0.005* | −0.001 | −0.004 |
| (−2.582) | (−1.712) | (−0.614) | (−1.313) | |
| Size | 0.446* | −0.004 | 0.352 | −0.006 |
| (1.848) | (−0.019) | (1.474) | (−0.031) | |
| Fee | 0.080** | 0.047 | 0.051 | 0.054 |
| (2.480) | (1.423) | (1.557) | (1.545) | |
| Lotrate | −8.660 | 34.538 | −2.306 | 47.185** |
| (−0.874) | (1.622) | (−0.234) | (2.230) | |
| ROE | −0.010 | −0.006 | −0.006 | −0.004 |
| (−0.401) | (−0.635) | (−0.221) | (−0.425) | |
| Asset | 0.139 | 0.087 | 0.224 | 0.037 |
| (0.654) | (0.454) | (0.946) | (0.168) | |
| Dual | 0.022 | −0.426*** | 0.099 | −0.395** |
| (0.107) | (−2.689) | (0.479) | (−2.485) | |
| Lev | −0.014* | 0.002 | −0.011 | 0.003 |
| (−1.666) | (0.340) | (−1.283) | (0.433) | |
| VC | −0.206 | −0.072 | −0.242 | −0.038 |
| (−0.609) | (−0.359) | (−0.723) | (−0.185) | |
| VCrate | 0.014 | 0.004 | 0.015 | 0.002 |
| (1.209) | (0.433) | (1.238) | (0.200) | |
| 常数 | −8.966*** | −5.467** | −8.148** | −6.341* |
| (−2.821) | (−2.178) | (−2.090) | (−1.959) | |
| 时间 | 控制 | 控制 | 控制 | 控制 |
| N | 176 | 176 | 176 | 176 |
| 调整的R2 | 0.311 | 0.303 | 0.319 | 0.290 |
| F | 5.927*** | 5.748*** | 6.113*** | 5.468*** |