在做一组面板数据的向量自回归,只有15年的年度数据,这里滞后期要怎么选择?我分别设了3、4、5、6,选哪个比较好?
还是需要做其他处理呢?
pvar2 lntrade lngdp lnec, lag(6)soc
===========================================
Selection Order Criteria for Panel VAR
===========================================
+------------------------------------+
|lag | AIC BIC HQIC |
|----+-------------------------------|
| 1 | -6.32119 -5.50174 -5.98819 |
| 2 | -6.48886 -5.43008 -6.05864 |
| 3 | -6.71318 -5.38912 -6.17547 |
| 4 | -6.95288 -5.33259 -6.29568 |
| 5 | -7.45987 -5.50599* -6.6691 |
| 6 | -7.61241* -5.27925 -6.67154* |
+------------------------------------+
. pvar2 lntrade lngdp lnec, lag(5)soc
===========================================
Selection Order Criteria for Panel VAR
===========================================
+------------------------------------+
|lag | AIC BIC HQIC |
|----+-------------------------------|
| 1 | -6.32119 -5.50174 -5.98819 |
| 2 | -6.48886 -5.43008 -6.05864 |
| 3 | -6.71318 -5.38912 -6.17547 |
| 4 | -6.95288 -5.33259 -6.29568 |
| 5 | -7.45987* -5.50599* -6.6691* |
+------------------------------------+
. pvar2 lntrade lngdp lnec, lag(3)soc
===========================================
Selection Order Criteria for Panel VAR
===========================================
+------------------------------------+
|lag | AIC BIC HQIC |
|----+-------------------------------|
| 1 | -6.32119 -5.50174* -5.98819 |
| 2 | -6.48886 -5.43008 -6.05864 |
| 3 | -6.71318* -5.38912 -6.17547* |
+------------------------------------+
. pvar2 lntrade lngdp lnec, lag(4)soc
===========================================
Selection Order Criteria for Panel VAR
===========================================
+------------------------------------+
|lag | AIC BIC HQIC |
|----+-------------------------------|
| 1 | -6.32119 -5.50174* -5.98819 |
| 2 | -6.48886 -5.43008 -6.05864 |
| 3 | -6.71318 -5.38912 -6.17547 |
| 4 | -6.95288* -5.33259 -6.29568* |
+------------------------------------+
.


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