Group unit root test: Summary     
Date: 12/16/08   Time: 09:37    
Sample: 1996 2006    
Series: LNEXPAH, LNEXPBJ, LNEXPCQ, LNEXPFJ, LNEXPGD,    
        LNEXPGS, LNEXPGX, LNEXPGZ, LNEXPHAINAN,    
        LNEXPHEBEI, LNEXPHENAN, LNEXPHLJ, LNEXPHUBEI,    
        LNEXPHUNAN, LNEXPJL, LNEXPJS, LNEXPJX, LNEXPLN,    
        LNEXPNMG, LNEXPNX, LNEXPQH, LNEXPSC, LNEXPSD,    
        LNEXPSH, LNEXPSHAANXI, LNEXPSHANXI, LNEXPTJ,    
        LNEXPXJ, LNEXPYN, LNEXPZJ    
Exogenous variables: Individual effects    
Automatic selection of maximum lags    
Automatic selection of lags based on SIC: 0 to 1    
Newey-West bandwidth selection using Bartlett kernel    
    
   Cross- 
Method Statistic Prob.** sections Obs
Null: Unit root (assumes common unit root process)     
Levin, Lin & Chu t*  29.4018  1.0000  30  293
Breitung t-stat -6.38707  0.0000  30  263
    
Null: Unit root (assumes individual unit root process)     
Im, Pesaran and Shin W-stat   25.3924  1.0000  30  293
ADF - Fisher Chi-square  0.37642  1.0000  30  293
PP - Fisher Chi-square  0.27714  1.0000  30  300
    
Null: No unit root (assumes common unit root process)     
Hadri Z-stat  10.0430  0.0000  30  330
    
** Probabilities for Fisher tests are computed using an asympotic Chi    
        -square distribution. All other tests assume asymptotic normality.