急求！！Johansen 协整检验中结果的困惑

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菜鸟在写论文途中，遇到LnFDI，LnER，LnK，LnM在ADF检验中，在一阶差分后至少5%显著水平上平稳，也就是都均为一阶单整。但在Jonhansen检验中却出现以下结果，求助大神解释！

Date: 03/29/13   Time: 16:59   
Sample (adjusted): 1994 2012   
Included observations: 19 after adjustments   
Trend assumption: Linear deterministic trend   
Series: LNFDI LNER LNK LNM     
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  0.671652  47.37178  47.85613  0.0555
At most 1  0.539892  26.21183  29.79707  0.1225
At most 2  0.274531  11.46225  15.49471  0.1846
At most 3 *  0.245983  5.364459  3.841466  0.0205
   
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  0.671652  21.15995  27.58434  0.2667
At most 1  0.539892  14.74958  21.13162  0.3068
At most 2  0.274531  6.097795  14.26460  0.6007
At most 3 *  0.245983  5.364459  3.841466  0.0205
   
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   
   

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关键词：Johansen johans Hansen 协整检验 ans 检验 困惑

以上情况能说明变量之间存在协整关系么？

Trace test indicates no cointegration at the 0.05 level  
Max-eigenvalue test indicates no cointegration at the 0.05 level  

说明没有协整关系