| Variable | (1) | (2) | (3) | (4) |
| ols | fe | weight!=. | on_support | |
| MA | MA | MA | MA | |
| Audit | 0.0117** | 0.0041 | −0.0016 | 0.0028 |
| (2.0592) | (0.8198) | (−0.2686) | (0.5601) | |
| Postaudit | 0.0255*** | 0.0209*** | 0.0261*** | 0.0215*** |
| (3.5057) | (3.3003) | (3.6940) | (3.3926) | |
| Lnasset | −0.0072*** | −0.0124*** | −0.0163*** | −0.0122*** |
| (−5.3583) | (−10.0391) | (−8.6869) | (−9.7961) | |
| Lev | 0.0376*** | −0.0192*** | −0.0046 | −0.0183*** |
| (4.8283) | (−2.7389) | (−0.3699) | (−2.5888) | |
| Growth | 0.0048*** | 0.0005 | −0.0004 | 0.0003 |
| (4.4696) | (0.4823) | (−0.2401) | (0.2874) | |
| Dual | −0.0010 | 0.0044* | 0.0132* | 0.0040 |
| (−0.3068) | (1.6594) | (1.8074) | (1.4610) | |
| Balance | 0.0050*** | −0.0051*** | −0.0144*** | −0.0062*** |
| (2.6495) | (−3.1460) | (−3.6061) | (−3.5292) | |
| Boardsize | −0.0096 | 0.0063 | 0.0164 | 0.0078 |
| (−1.2617) | (0.9798) | (1.3458) | (1.1700) | |
| Ind | 未固定 | 固定 | 固定 | 固定 |
| Year | 未固定 | 固定 | 固定 | 固定 |
| n | 15,655 | 15,655 | 5382 | 15,231 |
| Adj. R2 | 0.0059 | 0.3104 | 0.3016 | 0.3096 |