| (1) | (2) | (3) | (4) | (5) |
小 | 中 | 大 | 非国有 | 国有 | |
DT | 0.052 | 0.052 | 0.165*** | 0.166*** | 0.184*** |
(0.5963) | (0.5963) | (10.7212) | (10.4032) | (6.9038) | |
_cons | −6.950** | −1.670 | −7.046*** | −6.183*** | −7.560*** |
(−2.4123) | (−1.1629) | (−6.9537) | (−4.7114) | (−6.8319) | |
Controls | Yes | Yes | Yes | Yes | Yes |
Year | Yes | Yes | Yes | Yes | Yes |
Industry | Yes | Yes | Yes | Yes | Yes |
N | 86 | 760 | 5419 | 3892 | 2380 |
r2_a | 0.086 | 0.077 | 0.176 | 0.140 | 0.231 |