| Model 1 | Model 2 |
---|---|---|
= 1 if year ≥ 1994 and year ≤ 1996 | 0.031 | 0.047 |
 | (0.004) | (0.006) |
Share skill 2 | 3.494 | 1.269 |
 | (0.738) | (0.239) |
Share skill 3 | 1.975 | 0.465 |
 | (0.249) | (0.053) |
Share skill 4 | −0.044 | −0.032 |
 | (0.005) | (0.003) |
Share age 2 | 2.689 | 2.101 |
 | (0.569) | (0.366) |
Share age 3 | −0.322 | 0.012 |
 | (0.308) | (0.069) |
Year | −0.027 | −0.045 |
 | (0.004) | (0.006) |
Constant | 52.913 | 93.235 |
 | (8.347) | (12.479) |
Observations | 16 | 16 |