整理一下,老师看是否正确?
1. Sargan test of overid. restrictions或Hansen test of overid. restrictions通过,即p值大于0.05;说明工具变量是有效的;
2.Arellano-Bond test for AR(1) in first difference:拒绝(p值小于0.05)
Arellano-Bond test for AR(2) in first difference: 接受(p值大于0.05),能否有更高阶的检验?如AR(3)...AR(10),更高阶检验是否有意义?