| Variable | (1) |
| Y | |
| lnK | 0.060** |
|
| (2.440) |
| lnL | 1.722** |
|
| (2.722) |
| lv | 20.151** |
|
| (2.428) |
| E | 6.967** |
|
| (2.329) |
| 年份 | 控制 |
| _cons | 105.766*** |
|
| (30.520) |
| N | 231 |
| adj. R2 | 0.894 |