Table 3 Treatment-effects model with endogenous treatment
Coef | Std. Err | z | P >|z| | [95% Conf. Interval] | ||
|---|---|---|---|---|---|---|
Ln production ha | ||||||
Ln owned land | − .0279632 | .0806022 | − 0.35 | 0.729 | − .1859407 | .1300142 |
Ln Teff land | 2.28607 | .2371467 | 9.64 | 0.000 | 1.821271 | 2.750869 |
Ln active labour | .2152342 | .0690897 | 3.12 | 0.002 | .079821 | .3506475 |
Ln oxen quantity | − .0248417 | .0935901 | − 0.27 | 0.791 | − .2082749 | .1585916 |
Ln input cost ha | .6087759 | .0402645 | 15.12 | 0.000 | .5298589 | .687693 |
Ln labour cost ha | − .0078871 | .0076436 | − 1.03 | 0.302 | − .0228684 | .0070941 |
Ox ownership | − .0391128 | .2253821 | − 0.17 | 0.862 | − .4808535 | .4026279 |
Training days | .0157188 | .0066934 | 2.35 | 0.019 | .0026 | .0288376 |
Contact extension | .0312347 | .0164159 | 1.90 | 0.057 | − .0009397 | .0634092 |
Teff loan | .0000225 | .000015 | 1.50 | 0.134 | − 6.93e-06 | .0000518 |
Education | .0025704 | .0055391 | 0.46 | 0.643 | − .0082861 | .013427 |
Family size | − .0487607 | .017322 | − 2.81 | 0.005 | − .0827113 | − .0148102 |
Age | .0010142 | .0020468 | 0.50 | 0.620 | − .0029974 | .0050259 |
_cons | .5060346 | .2647517 | 1.91 | 0.056 | − .0128692 | 1.024938 |
Ox ownership | ||||||
Dependents | .2003733 | .0777809 | 2.58 | 0.010 | .0479255 | .352821 |
_cons | .6506084 | .2292722 | 2.84 | 0.005 | .201243 | 1.099974 |
/athrho | .0721147 | .2544977 | 0.28 | 0.777 | − .4266917 | .5709212 |
/lnsigma | − .9139786 | .0393947 | − 23.20 | 0.000 | − .9911908 | − .8367663 |
rho | .07199 | .2531788 | − .4025528 | .5160355 | ||
sigma | .4009259 | .0157944 | .3711345 | .4331088 | ||
lambda | .0288627 | .1017081 | − .1704815 | .2282068 | ||