xthreg lnTFP_lp $kz_var1 year2 year3 year4 year5 year6 year7, rx(Score) qx(Score) th
> num(3) grid(150) trim(0.01) bs(100)
Estimating threshold within range ( 0.7075 , 7.1949 ), obs = 72
1st ... 2nd ... 3rd ... Done
Bootstrap for single threshold
.................................................. + 50
.................................................. + 100
Bootstrap for double threshold model:
.................................................. + 50
.................................................. + 100
Bootstrap for triple threshold model:
.................................................. + 50
.................................................. + 100
Threshold estimator (level = 95):
-----------------------------------------------------
model | Threshold Lower Upper
-----------+-----------------------------------------
Th-1 | 7.1949 6.7564 7.1949
Th-21 | 7.1949 6.7564 7.1949
Th-22 | 0.7618 0.7618 0.8721
Th-3 | 0.8721 0.8721 0.9367
-----------------------------------------------------
Threshold effect test (bootstrap = 100):
--------------------------------------------------------------------------------------
Threshold | RSS MSE Fstat Prob Crit10 Crit5 Crit1
-----------+--------------------------------------------------------------------------
Single | 0.0000 0.0000 . 0.000 . . .
Double | 0.0000 0.0000 . 0.000 . . .
Triple | 0.0000 0.0000 . 0.000 . . .
--------------------------------------------------------------------------------------
Fixed-effects (within) regression Number of obs = 4,022
Group variable: id Number of groups = 877
R-squared: Obs per group:
Within = 0.5977 min = 1
Between = 0.4065 avg = 4.6
Overall = 0.4682 max = 7
F(15,3130) = 310.03
corr(u_i, Xb) = 0.2149 Prob > F = 0.0000
------------------------------------------------------------------------------
lnTFP_lp | Coefficient Std. err. t P>|t| [95% conf. interval]
-------------+----------------------------------------------------------------
固定资产比率 | -.2073648 .0099757 -20.79 0.000 -.2269243 -.1878053
资产负债率 | .0426177 .0054875 7.77 0.000 .0318584 .0533771
资本密集度 | -.0100925 .0002477 -40.75 0.000 -.0105782 -.0096069
盈利能力 | .0911319 .0052847 17.24 0.000 .0807701 .1014937
股权集中度 | -.000767 .0001326 -5.78 0.000 -.001027 -.000507
企业规模 | .0279236 .0015645 17.85 0.000 .0248561 .0309912
year2 | .0045387 .0025997 1.75 0.081 -.0005586 .009636
year3 | .0133982 .0028801 4.65 0.000 .0077511 .0190453
year4 | .0209766 .0032688 6.42 0.000 .0145674 .0273858
year5 | .0270996 .0037233 7.28 0.000 .0197992 .0343999
year6 | .0357798 .0023806 15.03 0.000 .0311121 .0404475
year7 | .0336147 .0039089 8.60 0.000 .0259505 .0412789
|
_cat#c.Score |
0 | .0194193 .0068438 2.84 0.005 .0060006 .0328381
1 | .0051711 .0067543 0.77 0.444 -.0080721 .0184144
2 | .0034387 .0011116 3.09 0.002 .0012592 .0056182
|
_cons | 1.911858 .0124571 153.48 0.000 1.887433 1.936283
-------------+----------------------------------------------------------------
sigma_u | .07857712
sigma_e | .02611101
rho | .90055861 (fraction of variance due to u_i)
------------------------------------------------------------------------------
F test that all u_i=0: F(876, 3130) = 32.84 Prob > F = 0.0000