Null Hypothesis: LNINN has a unit root
Exogenous: None
Lag Length: 0 (Automatic - based on SIC, maxlag=4)
t-Statistic
Prob.*
Augmented Dickey-Fuller test statistic
4.746095
1.0000
Test critical values:
1% level
-2.685718
5% level
-1.959071
10% level
-1.607456
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation
Dependent Variable: D(LNINN)
Method: Least Squares
Date: 12/12/12 Time: 21:11
Sample (adjusted): 1992 2011
Included observations: 20 after adjustments
Variable
Coefficient
Std. Error
Prob.
LNINN(-1)
0.038391
0.008089
0.0001
R-squared
-0.001966
Mean dependent var
0.213022
Adjusted R-squared
S.D. dependent var
0.200363
S.E. of regression
0.200560
Akaike info criterion
-0.326702
Sum squared resid
0.764260
Schwarz criterion
-0.276915
Log likelihood
4.267021
Hannan-Quinn criter.
-0.316983
Durbin-Watson stat
2.389578
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崔伟 发表于 2012-12-14 09:52 一点也不矛盾,根本就没通过检验,不稳定,存在单位根,进行差分
zerospsp 发表于 2012-12-14 17:09 借贴一问,单位根检验时是直接看P值是否大于0.05就足够?还是可以连同t值一起判断?单位根检验时的t值转换 ...
崔伟 发表于 2012-12-15 19:09 对头,不一样,t值实用类比较的,p值是一个固定的判断标准,有固定值可以参考。
zerospsp 发表于 2012-12-15 19:15 那么就是说简单判断的话盯住P值就足够了吗?