航空航天器制造业的专利与引进
OLS估计结果
Dependent Variable: Y | | |
Method: Least Squares | | |
Date: 06/04/10
Time: 18:31 | | |
Sample: 1995 2008 | | |
Included observations: 14 | | |
| | | | |
Variable | Coefficient | Std. Error | t-Statistic | Prob. |
| | | | |
C | 244.4633 | 52.52326 | 4.654383 | 0.0006 |
X | -0.002468 | 0.001217 | -2.028146 | 0.0653 |
| | | | |
R-squared | 0.255277 | Mean dependent var | 149.5714 |
Adjusted R-squared | 0.193217 | S.D. dependent var | 99.42118 |
S.E. of regression | 89.30120 | Akaike info criterion | 11.95347 |
Sum squared resid | 95696.45 | Schwarz criterion | 12.04476 |
Log likelihood | -81.67429 | Hannan-Quinn criter. | 11.94502 |
F-statistic | 4.113378 | Durbin-Watson stat | 0.952690 |
Prob(F-statistic) | 0.065341 | | | |
麻烦各位解释一下经济含义。为何前面系数为负?不符合经济意义呢、