通过GDP和旅游消费经过ADF检验,发现在2阶平稳 后来又做了格兰杰因果检验得出这样的结果
Pairwise Granger Causality Tests |
Date: 11/26/09
Time: 12:24 |
Sample: 1994 2008 | |
Lags: 2 | | |
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Null Hypothesis: | Obs | F-Statistic | Probability |
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X does not Granger Cause Y | 13 | 2.08312 | 0.18695 |
Y does not Granger Cause X | 6.21622 | 0.02350 |
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不知道怎么分析,到底它们之间存在不存在格兰杰因果关系?