单位根检验后(都是I(1)),进行协整分析,有两个协整方程 ,但发现协整方程得到的系数和经济意义好像有点不符合 是不是变量太少呃 还是数据本身有问题。其中LPP是农林渔牧业产值,LDOC 是卫生人员数 LEDU 是教育投资 LELE是用电量 LROAD 是公路里程 结果如下所示,望各位大侠帮忙,谢谢啦!
Date: 02/10/12 Time: 16:05
Sample (adjusted): 1992 2010
Included observations: 19 after adjustments
Trend assumption: Linear deterministic trend
Series: LPP LDOC LEDU LELC LROAD
Lags interval (in first differences): 1 to 1
Unrestricted Cointegration Rank Test (Trace)
Hypothesized Trace 0.05
No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None * 0.888674 93.30451 69.81889 0.0002
At most 1 * 0.719479 51.59403 47.85613 0.0214
At most 2 0.624792 27.44300 29.79707 0.0912
At most 3 0.324800 8.817777 15.49471 0.3825
At most 4 0.068861 1.355591 3.841466 0.2443
Trace test indicates 2 cointegrating eqn(s) at the 0.05 level
* denotes rejection of the hypothesis at the 0.05 level
**MacKinnon-Haug-Michelis (1999) p-values
Unrestricted Cointegration Rank Test (Maximum Eigenvalue)
Hypothesized Max-Eigen 0.05
No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None * 0.888674 41.71048 33.87687 0.0048
At most 1 0.719479 24.15103 27.58434 0.1295
At most 2 0.624792 18.62522 21.13162 0.1082
At most 3 0.324800 7.462187 14.26460 0.4360
At most 4 0.068861 1.355591 3.841466 0.2443
Max-eigenvalue test indicates 1 cointegrating eqn(s) at the 0.05 level
* denotes rejection of the hypothesis at the 0.05 level
**MacKinnon-Haug-Michelis (1999) p-values