| 变量 | (1) | (2) |
|---|---|---|
| Spread1 | Spread2 | |
| AAAR×Post | -0.744*** (-11.552) | -0.704*** (-10.839) |
| AA+R×Post | -0.282*** (-3.938) | -0.243*** (-3.372) |
| AAAR | -1.264*** (-22.846) | -1.292*** (-23.161) |
| AA+R | -0.520*** (-9.718) | -0.539*** (-10.015) |
| Post | 0.156 (1.516) | 0.039 (0.377) |
| Baseline controls | Yes | Yes |
| Observations | 4 468 | 4 468 |
| R-squared | 0.661 | 0.675 |
| CRA FE | YES | YES |
| Industry FE | YES | YES |
| Year-Month FE | YES | YES |
