屋檐滴语 发表于 2014-8-30 12:27 
格兰杰检验的结果容易受滞后阶数的影响,另外格兰杰检验的前提是序列式平稳的。能不能把数据和检验过程上传 ...
Pairwise Granger Causality Tests
Date: 08/30/14 Time: 16:39
Sample: 1978 2013
Lags: 2
Null Hypothesis: Obs F-Statistic Prob.
LNX1 does not Granger Cause LNY 34 1.14100 0.3334
LNY does not Granger Cause LNX1 2.22169 0.1266
LNX2 does not Granger Cause LNY 34 0.84757 0.4388
LNY does not Granger Cause LNX2 1.61234 0.2168
LNX3 does not Granger Cause LNY 34 0.82408 0.4486
LNY does not Granger Cause LNX3 3.70242 0.0370
LNX2 does not Granger Cause LNX1 34 3.35550 0.0489
LNX1 does not Granger Cause LNX2 0.72122 0.4947
LNX3 does not Granger Cause LNX1 34 0.65089 0.5290
LNX1 does not Granger Cause LNX3 0.93814 0.4029
LNX3 does not Granger Cause LNX2 34 0.87013 0.4295
LNX2 does not Granger Cause LNX3 2.26088 0.1223
数据是I(1)的,然后做的是英格兰检验