| Variable | (1) | (2) | (3) | (4) |
| ols | fe | weight!=. | on_support | |
| MA | MA | MA | MA | |
| Audit | 0.0036 | 0.0012 | −0.0026 | 0.0001 |
| (0.6436) | (0.2318) | (−0.4343) | (0.0132) | |
| Postaudit | 0.1067*** | 0.1233*** | 0.1161*** | 0.1269*** |
| (2.8520) | (3.9493) | (3.2718) | (4.0605) | |
| ICQ | 0.0003*** | 0.0003*** | 0.0003*** | 0.0003*** |
| (16.2394) | (19.9712) | (11.6579) | (19.9105) | |
| Postaudit × ICQ | −0.0001* | −0.0001*** | −0.0001** | −0.0002*** |
| (−1.9307) | (−3.2390) | (−2.5477) | (−3.3339) | |
| Lnasset | −0.0134*** | −0.0211*** | −0.0274*** | −0.0210*** |
| (−9.6586) | (−16.2309) | (−13.2154) | (−16.0542) | |
| Lev | 0.0619*** | 0.0118* | 0.0333*** | 0.0128* |
| (7.8664) | (1.6609) | (2.6255) | (1.7911) | |
| Growth | 0.0045*** | −0.0000 | −0.0012 | −0.0002 |
| (4.2341) | (−0.0117) | (−0.7249) | (−0.1839) | |
| Dual | −0.0011 | 0.0035 | 0.0149** | 0.0033 |
| (−0.3385) | (1.3340) | (2.0681) | (1.2293) | |
| Balance | 0.0062*** | −0.0048*** | −0.0136*** | −0.0056*** |
| (3.2614) | (−3.0093) | (−3.4532) | (−3.2326) | |
| Boardsize | −0.0145* | 0.0068 | 0.0195 | 0.0079 |
| (−1.9370) | (1.0619) | (1.6240) | (1.2091) | |
| 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 | 0.0231 | 0.3279 | 0.3201 | 0.3275 |