各位大神,如果门槛结果显示三颗星显著,但是在回归方程的时候前面的系数不显著怎么解释?这样的结果可以用吗?
如下
第二个门槛估计值:1.23176
---重新搜索第一个门槛值---
更新后的第一个门槛估计值:1.99269
Fixed-effects (within) regression Number of obs = 988
Group variable: idnew Number of groups = 247
R-sq: within = 0.0649 Obs per group: min = 4
between = 0.1401 avg = 4.0
overall = 0.0934 max = 4
F(9,732) = 5.65
corr(u_i, Xb) = 0.0745 Prob > F = 0.0000
------------------------------------------------------------------------------
operatingp~t | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
age | -.0015925 .0007233 -2.20 0.028 -.0030125 -.0001725
age2 | .0000101 .0000109 0.92 0.356 -.0000114 .0000316
lnsize | .0065788 .0024644 2.67 0.008 .0017407 .0114168
klratio | .0000296 .0000331 0.89 0.372 -.0000354 .0000946
statecapital | -.023286 .0095654 -2.43 0.015 -.0420648 -.0045071
foreign | .0138985 .0102182 1.36 0.174 -.006162 .033959
ers_1 | -.013606 .0123424 -1.10 0.271 -.0378367 .0106248
ers_2 | .0090415 .0063875 1.42 0.157 -.0034985 .0215814
ers_3 | -.0049861 .004218 -1.18 0.238 -.0132669 .0032947
_cons | .0840703 .0190551 4.41 0.000 .0466611 .1214794
-------------+----------------------------------------------------------------
sigma_u | .0586355
sigma_e | .08410721
rho | .32706193 (fraction of variance due to u_i)
------------------------------------------------------------------------------
F test that all u_i=0: F(246, 732) = 1.89 Prob > F = 0.0000
| ---门槛效果自抽样检验--- |
+------------------------------------+
-------------------------------------------------------------------------------
临界值
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模型 F值 P值 BS次数 1% 5% 10%
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单一门槛 6.137*** 0.000 3 0.919 0.919 0.919
双重门槛 6.074*** 0.000 3 2.464 2.464 2.464
三重门槛 0.947 0.500 2 1.248 1.248 1.248
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