各位大佬好,本文stata小白,想请大家帮忙看看这个结果是否有问题,谢谢大家
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | VARIABLES | Y | Y | Y | Y | Y | Y | Y | Did | 0.014*** | 0.013*** | 0.013*** | 0.013*** | 0.013*** | 0.013*** | 0.013*** | | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | (0.001) | Lnsize | | -0.008*** | -0.007*** | -0.008*** | -0.007*** | -0.007*** | -0.007*** | | | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) | (0.000) | Lev | | | -0.017*** | -0.017*** | -0.018*** | -0.009*** | -0.009*** | | | | (0.002) | (0.002) | (0.002) | (0.002) | (0.002) | Growth | | | | 0.003*** | 0.002*** | 0.001* | 0.001* | | | | | (0.000) | (0.000) | (0.000) | (0.000) | Tat | | | | | 0.010*** | 0.009*** | 0.009*** | | | | | | (0.001) | (0.001) | (0.001) | Roa | | | | | | 0.068*** | 0.068*** | | | | | | | (0.004) | (0.004) | Top10 | | | | | | | -0.002 | | | | | | | | (0.002) | Constant | 0.605*** | 0.787*** | 0.770*** | 0.779*** | 0.751*** | 0.761*** | 0.761*** | | (0.001) | (0.008) | (0.008) | (0.008) | (0.008) | (0.008) | (0.008) | Observations | 14,196 | 14,196 | 14,196 | 14,196 | 14,196 | 14,196 | 14,196 | R-squared | 0.874 | 0.879 | 0.880 | 0.881 | 0.883 | 0.885 | 0.885 | Number of id | 1,014 | 1,014 | 1,014 | 1,014 | 1,014 | 1,014 | 1,014 | yearfix | YES | YES | YES | YES | YES | YES | YES | idfix | YES | YES | YES | YES | YES | YES | YES |
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