xthreg lntfp jg oc 资产负债率 roe ,rx ( taxp2 ) qx( taxp ) thnum(1) grid(500) trim(0.01 ) bs(300)
Estimating the threshold parameters: 1st ...... Done
Boostrap for single threshold
. bgrid(): 3200 conformability error
thestm(): - function returned error
<istmt>: - function returned error
r(3200);
经过多次试验,好像是因为门槛变量的0比较多,门槛变量可以和核心解释变量相同的哦


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