xthreg zhcbl hhi zc , rx(zhcbl) qx(hhi) thnum(1) trim(0.01) grid(500) bs(500)
Estimating the threshold parameters: 1st ...... Done
Boostrap for single threshold
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Threshold estimator (level = 95):
-----------------------------------------------------
model | Threshold Lower Upper
-----------+-----------------------------------------
Th-1 | 0.2554 0.2549 0.2602
-----------------------------------------------------
Threshold effect test (bootstrap = 500):
-------------------------------------------------------------------------------
Threshold | RSS MSE Fstat Prob Crit10 Crit5 Crit1
-----------+-------------------------------------------------------------------
Single | 0.0000 0.0000 20.85 0.0120 -28.0466 -8.6203 24.9176
-------------------------------------------------------------------------------
Fixed-effects (within) regression Number of obs = 170
Group variable: com Number of groups = 17
R-sq: within = 0.5968 Obs per group: min = 10
between = 0.1869 avg = 10.0
overall = 0.3881 max = 10
F(3,150) = 74.00
corr(u_i, Xb) = -0.3634 Prob > F = 0.0000
------------------------------------------------------------------------------
zhcbl | Coef. Std. Err. t P>|t| [95% Conf. Interval]
-------------+----------------------------------------------------------------
hhi | -.8387598 .1623162 -5.17 0.000 -1.159481 -.5180383
zc | -.0000131 5.95e-06 -2.20 0.029 -.0000248 -1.34e-06
|
_cat#c.zhcbl |
0 | 0 (omitted)
1 | .556992 .0427056 13.04 0.000 .4726097 .6413743
|
_cons | 1.07013 .1149494 9.31 0.000 .8430004 1.297259
-------------+----------------------------------------------------------------
sigma_u | .18166892
sigma_e | .1474759
rho | .6027753 (fraction of variance due to u_i)
------------------------------------------------------------------------------
F test that all u_i=0: F(16, 150) = 12.00 Prob > F = 0.0000
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