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| ---데寧쳔숙충겼친謹--- |
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뒤寧몸쳔숙뮌셕令:.45072991
Fixed-effects (within) regression Number of obs = 319
Group variable: id Number of groups = 29
R-sq: within = 0.1824 Obs per group: min = 11
between = 0.1802 avg = 11.0
overall = 0.1620 max = 11
F(2,288) = 32.13
corr(u_i, Xb) = -0.3675 Prob > F = 0.0000
------------------------------------------------------------------------------
tfp | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
fdi_1 | .0340715 .0042506 8.02 0.000 .0257053 .0424377
fdi_2 | .0155589 .0031902 4.88 0.000 .0092798 .021838
_cons | .9726779 .0095202 102.17 0.000 .9539399 .9914159
-------------+----------------------------------------------------------------
sigma_u | .05335618
sigma_e | .0575299
rho | .46241358 (fraction of variance due to u_i)
------------------------------------------------------------------------------
F test that all u_i=0: F(28, 288) = 6.85 Prob > F = 0.0000
STATA 菱녜湳櫓,헝된덤 ... ...
比如这个是求门槛变量的结果
这里可以看到R平方很低 才0.18 是不是说明求出的门槛变量没有意义呢?
第一次接触门槛变量 很多都不懂 求高手指教~~
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