tlw1987 发表于 2014-3-30 14:36
你肯定原始序列不平稳才差分的,所以一阶差分平稳后一般还要做变量间是否存在协整关系的检验
谢谢,麻烦您帮我看一下这个结果行吗
Johansen tests for cointegration
Trend: constant Number of obs = 16
Sample: 1997 - 2012 Lags = 2
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5%
maximum trace critical
rank parms LL eigenvalue statistic value
0 30 163.27749 . 142.7064 68.52
1 39 206.32484 0.99540 56.6117 47.21
2 46 221.93381 0.85789 25.3937* 29.68
3 51 227.9298 0.52740 13.4017 15.41
4 54 232.93595 0.46515 3.3894 3.76
5 55 234.63067 0.19091
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5%
maximum max critical
rank parms LL eigenvalue statistic value
0 30 163.27749 . 86.0947 33.46
1 39 206.32484 0.99540 31.2179 27.07
2 46 221.93381 0.85789 11.9920 20.97
3 51 227.9298 0.52740 10.0123 14.07
4 54 232.93595 0.46515 3.3894 3.76
5 55 234.63067 0.19091
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谢谢