各位大侠,小弟对下面的协整有点迷惑:
1. 4个变量有4个协整关系表示什么?
2. 因为我需要一个协整方程计算汇率,能否直接用《1 Cointegrating Equation(s): Convergence achieved after 1 iterations》这个方程,或者应该如何选择?
3. 能否做VECM,怎么做? 做出来后表示什么经济意义或统计意义?多谢大家!!!
| Hypothesized | 
 | Trace | 0.05 | 
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| No. of CE(s) | Eigenvalue | Statistic | Critical Value | Prob.** | 
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| None * | 0.608135 | 116.2250 | 54.07904 | 0.0000 | 
| At most 1 * | 0.325344 | 58.14116 | 35.19275 | 0.0000 | 
| At most 2 * | 0.267261 | 33.74091 | 20.26184 | 0.0004 | 
| At most 3 * | 0.208038 | 14.46100 | 9.164546 | 0.0046 | 
| 1 Cointegrating Equation(s): Convergence achieved after 1 iterations. | 
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| Restricted cointegrating coefficients (standard error in parentheses) | 
| INREER | INTNT | INNFA | INTOTSM | C | 
| 1.000000 | -0.101681 | -0.346070 | -3.118452 | 13.16860 | 
| (0.00000) | (0.15436) | (0.06392) | (0.29769) | (1.92187) |