xthreg TC DT SI UL ECS PRS ,rx(ER) qx(lnGR) thnum(2) trim(0.01 0.01) bs(300 300)
Estimating the threshold parameters: 1st ...... 2nd ...... Done
Boostrap for single threshold
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Boostrap for double threshold model:
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Threshold estimator (level = 95):
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model | Threshold Lower Upper
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Th-1 | -3.2145 -3.2315 -3.2139
Th-21 | -3.2145 -3.2315 -3.2139
Th-22 | -3.7573 -3.7645 -3.7519
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Threshold effect test (bootstrap = 300 300):
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Threshold | RSS MSE Fstat Prob Crit10 Crit5 Crit1
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Single | 3.7092 0.0128 51.26 0.0100 37.0979 41.4231 51.1566
Double | 3.2619 0.0112 39.77 0.0400 32.8982 37.3384 46.8497
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Fixed-effects (within) regression Number of obs = 300
Group variable: citte Number of groups = 30
R-sq: within = 0.5849 Obs per group: min = 10
between = 0.0405 avg = 10.0
overall = 0.0508 max = 10
F(8,262) = 46.15
corr(u_i, Xb) = -0.8261 Prob > F = 0.0000
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TC | Coef. Std. Err. t P>|t| [95% Conf. Interval]
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DT | -.3917677 .0803065 -4.88 0.000 -.549896 -.2336394
SI | -1.648938 .2346798 -7.03 0.000 -2.111037 -1.18684
UL | .0011034 .0008443 1.31 0.192 -.000559 .0027659
ECS | -.0578555 .0543573 -1.06 0.288 -.1648884 .0491773
PRS | .1358816 .0496148 2.74 0.007 .0381871 .2335762
|
_cat#c.ER |
0 | 1.679299 .4796114 3.50 0.001 .7349157 2.623683
1 | 3.050523 .4030889 7.57 0.000 2.256817 3.844229
2 | 5.468224 .4601356 11.88 0.000 4.562189 6.374258
|
_cons | 1.617478 .1408524 11.48 0.000 1.340131 1.894824
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sigma_u | .27148594
sigma_e | .11240627
rho | .85365762 (fraction of variance due to u_i)
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F test that all u_i=0: F(29, 262) = 13.35 Prob > F = 0.00
写结论的时候,发现和自己以前认为的不一样。希望大家可以解答一下,谢谢了