变量 | (1) | (2) |
| 国有企业 | 非国有企业 |
PM | 1.649*** | 0.276 |
| (0.380) | (0.200) |
SI | 0.210** | 0.0555 |
| (0.0986) | (0.0622) |
TQ | −0.0127 | 0.00139 |
| (0.0321) | (0.0142) |
AG | 0.130** | 0.0343 |
| (0.0609) | (0.0350) |
ST | 0.0358* | −0.0236* |
| (0.0199) | (0.0143) |
GR | −0.470 | −0.163 |
| (0.375) | (0.178) |
LEV | −0.0396 | 0.245 |
| (0.463) | (0.301) |
ROA | −0.550 | −0.351 |
| (0.759) | (0.445) |
GDP | −1.026** | 0.0769 |
| (0.403) | (0.320) |
TOP1 | −0.0755 | 0.0980** |
| (0.0931) | (0.0476) |
DU | −1.247 | 0.511 |
| (0.795) | (0.497) |
PI | −8.759 | 1.038 |
| (8.270) | (5.109) |
_cons | 1.649*** | 0.276 |
| (0.380) | (0.200) |
Y | 控制 | 控制 |
IN | 控制 | 控制 |
r2_a | 0.106 | 0.033 |
N | 570 | 1317 |