nina52011 发表于 2013-4-8 10:16 
都不能拒绝原假设啊,原假设是有单位根的,P值都为1了,我也很纳闷,P值怎么为1呢,很少见到1
我二了,传错图了。。。Method Statistic Prob.** sections Obs
Null: Unit root (assumes common unit root process)
Levin, Lin & Chu t* -1.79375 0.0364 24 385
Breitung t-stat 10.0630 1.0000 24 361
Null: Unit root (assumes individual unit root process)
Im, Pesaran and Shin W-stat -0.45469 0.3247 24 385
ADF - Fisher Chi-square 86.3997 0.0006 24 385
PP - Fisher Chi-square 82.2395 0.0015 24 408