三个变量遇到拒绝全部假设时，是不是说明协整方程设定有误或者单位根检验有误？？
（虽然软件结果显示 Trace test indicates 3 cointegrating eqn(s) at the 0.05 level  ）


Unrestricted Cointegration Rank Test (Trace)   
   
Hypothesized  Trace 0.05
No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
   
None *  0.460450  40.29087  29.79707  0.0022
At most 1 *  0.358713  19.31221  15.49471  0.0126
At most 2 *  0.116380  4.206751  3.841466  0.0403