各位前辈 麻烦帮忙看一下这个门槛回归结果 回归结果好奇怪 双门槛模型通过了检验 但是这样算双门槛模型吗?
Threshold estimator (level = 95):
model Threshold Lower Upper
Th-1 13023.7900 . .
Th-21 13023.7900 . .
Th-22 4125.4302 4094.5100 4130.1001
Th-3 12313.9805 12280.3301 13023.7900
Threshold effect test (bootstrap = 0 300 300):
Threshold RSS MSE Fstat Prob Crit10 Crit5 Crit1
Single . . . . . . .
Double 5.43e+06 2.50e+04 23.53 0.0200 10.8808 13.2334 79.6349
Triple 5.06e+06 2.33e+04 15.70 0.2067 39.0116 58.3594 174.5098
Fixed-effects (within) regression Number of obs = 217
Group variable: province Number of groups = 31
R-sq: within = 0.6442 Obs per group: min = 7
between = 0.3037 avg = 7.0
overall = 0.3579 max = 7
F(5,181) = 65.55
corr(u_i, Xb) = -0.4939 Prob > F = 0.0000
investment Coef. Std. Err. t P>t [95% Conf. Interval]
FDI -.0038192 .0007809 -4.89 0.000 -.00536 -.0022785
OFDI .0455289 .0118136 3.85 0.000 .0222187 .0688391
_cat#c.save
0 .6176102 .0440298 14.03 0.000 .5307325 .7044879
1 .5670173 .042451 13.36 0.000 .4832547 .6507799
3 .4256077 .0430597 9.88 0.000 .3406441 .5105712
_cons 38.79145 67.67797 0.57 0.567 -94.74782 172.3307
sigma_u 514.87875
sigma_e 197.26546
rho .87200034 (fraction of variance due to u_i)
F test that all u_i=0: F(30, 181) = 28.89 Prob > F = 0.0000


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