想做四只银行股的协整关系检验,已经用EG检验出其中两只有协整关系,并且都是一阶单整的时间序列。但是用jj检验出来不管选择哪种情况都是显示一个协整关系都没有?甚至删掉一个或两个变量以后P值还是巨大无比。。。是哪里出了问题呀?求好人解答!!
Date: 03/30/18 Time: 13:50
Sample (adjusted): 4 245
Included observations: 242 after adjustments
Trend assumption: Linear deterministic trend
Series: SERIES10 SERIES02 SERIES04 SERIES08
Lags interval (in first differences): 1 to 1
Unrestricted Cointegration Rank Test (Trace)
Hypothesized Trace 0.05
No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None 0.062976 27.71240 47.85613 0.8259
At most 1 0.034987 11.97116 29.79707 0.9329
At most 2 0.013343 3.352526 15.49471 0.9486
At most 3 0.000421 0.101875 3.841466 0.7496
Trace test indicates no cointegration at the 0.05 level
* denotes rejection of the hypothesis at the 0.05 level
**MacKinnon-Haug-Michelis (1999) p-values
Unrestricted Cointegration Rank Test (Maximum Eigenvalue)
Hypothesized Max-Eigen 0.05
No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None 0.062976 15.74124 27.58434 0.6876
At most 1 0.034987 8.618631 21.13162 0.8619
At most 2 0.013343 3.250651 14.26460 0.9286
At most 3 0.000421 0.101875 3.841466 0.7496
Max-eigenvalue test indicates no cointegration at the 0.05 level
* denotes rejection of the hypothesis at the 0.05 level
**MacKinnon-Haug-Michelis (1999) p-values
Unrestricted Cointegrating Coefficients (normalized by b'*S11*b=I):