VEC下的格兰杰检验如何看结果？哪位大侠能帮看一下这个结果怎么解释？能说明ldq与lzcqandqt是lrgdp的格兰杰原因吗？多谢！！！！
VEC Granger Causality/Block Exogeneity Wald Tests   
Date: 07/10/12   Time: 20:20   
Sample: 1985 2011   
Included observations: 18   
   
   
Dependent variable: D(LRGDP)   
   
Excluded Chi-sq df Prob.
   
D(LDQ)  15.81069 3  0.0012
D(LZCQANDQT)  12.03108 3  0.0073
   
All  16.80316 6  0.0100
   
   
Dependent variable: D(LDQ)   
   
Excluded Chi-sq df Prob.
   
D(LRGDP)  1.844922 3  0.6052
D(LZCQANDQT)  0.472315 3  0.9249
   
All  2.171411 6  0.9033
   
   
Dependent variable: D(LZCQANDQT)   
   
Excluded Chi-sq df Prob.
   
D(LRGDP)  1.734676 3  0.6293
D(LDQ)  5.937307 3  0.1147
   
All  6.053783 6  0.4172