| (1) | (2) | (3) | (4) | (5) |
L.DIF | 1.818*** (1.79) | 0.809*** (0.38) | 0.884*** (0.70) | 0.892*** (0.71) | 0.998*** (0.44) |
L.Dage |
| −7.753*** (0.32) |
|
|
|
L.Dage*L.DIF |
| −3.919*** (0.43) |
|
|
|
L.Dgen |
|
| 2.843*** (0.70) |
|
|
L.Dgen*L.DIF |
|
| −0.301*** (0.20) |
|
|
L.Dedu |
|
|
| 2.983** (0.72) |
|
L.Dedu*L.DIF |
|
|
| 0.392*** (0.25) |
|
L.Dfun |
|
|
|
| −26.842* (0.92) |
L.Dfun*L.DIF |
|
|
|
| 6.948*** (0.68) |
控制变量 | 控制 | 控制 | 控制 | 控制 | 控制 |
Constant | 13.791*** | 14.787*** | 15.456*** | 15.455*** | 17.595*** |
| (6.51) | (3.19) | (5.72) | (5.69) | (3.36) |
R-squared | 0.144 | 0.142 | 0.144 | 0.144 | 0.150 |