| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) |
constant | 2.42 (13.23) | 2.49 (13.43) | 2.56 (13.67) | 2.63 (13.90) | 2.71 (14.22) | 0.31 (0.78) | −0.052 (0.86) | 0.025 (0.63) |
time | −0.275 (7.39) |
|
|
|
|
|
|
|
|
| −0.029 (7.68) |
|
|
| 1.03 (8.89) | 0.997 (35.55) | 0.969 (40.30) |
|
|
| −0.030 (8.00) |
|
| −0.021 (0.125) |
|
|
|
|
|
| −0.031 (8.31) |
| −0.091 (0.55) |
|
|
|
|
|
|
| −0.037 (8.70) | 0.041 (0.36) |
|
|
|
|
|
|
|
|
| 0.101 (0.66) |
|
|
|
|
|
|
|
|
| 0.010 (0.22) |
Adj∙R2 | 0.395 | 0.417 | 0.441 | 0.463 | 0.489 | 0.950 | 0.955 | 0.953 |