Pool unit root test: Summary
Date: 06/01/08 Time: 14:27
Sample: 2005Q1 2007Q4
Series: RGDPSH, RGDPNJ, RGDPWX, RGDPCZ, RGDPSZ, RGDPNT,
RGDPYZ, RGDPZJ, RGDPTZ, RGDPHZ, RGDPNB, RGDPJX,
RGDPHUZ, RGDPSX, RGDPZS, RGDPTAZ
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*
-30.7515
0.0000
16
175
Null: Unit root (assumes individual unit root process)
Im, Pesaran and Shin W-stat
-23.1842
ADF - Fisher Chi-square
274.715
PP - Fisher Chi-square
333.018
176
Null: No unit root (assumes common unit root process)
Hadri Z-stat
0.14122
0.4438
192
** Probabilities for Fisher tests are computed using an asympotic Chi
-square distribution. All other tests assume asymptotic normality.
请问是不是5种检验存在?
请注明:姓名-公司-职位
以便审核进群资格,未注明则拒绝
楼主的结果显示,该变量无单位根,数据平稳
LLC、IPS等原假设是有单位根,现拒绝原假设(0.0000)
Hadri的原假设是无单位根,现接受原假设(0.4438)
+经验5
[此贴子已经被jimmy_young2005于2008-6-7 10:40:48编辑过]
说明面板数据平稳