Date: 03/18/15   Time: 09:42

Sample: 2011 2013

Exogenous variables: None

Automatic selection of maximum lags

Automatic lag length selection based on SIC: 0

Newey-West automatic bandwidth selection and Bartlett kernel

Balanced observations for each test

Cross-

Method

Statistic

Prob.**

sections

Obs

Null: Unit root (assumes common unit root process)

Levin, Lin & Chu t*

-0.10572

0.4579

110

220

Null: Unit root (assumes individual unit root process)

ADF - Fisher Chi-square

414.626

0

110

220

PP - Fisher Chi-square

448.392

0

110

220

** Probabilities for Fisher tests are computed using an asymptotic Chi

        -square distribution. All other tests assume asymptotic normality.

这是我最后出来的结果，但是不知道是什么意思，这个还需要进行协整检验吗？应该怎么做呀，求各位知道以下。