From: Post-harvest losses of crops and its determinants in Ethiopia: tobit model analysis
Variables | Coefficient | Std. error | Marginal effects | ||
---|---|---|---|---|---|
Unconditional expected value | Conditional uncensored | Probability uncensored | |||
Demographic characteristics | |||||
Sex of the household head | 0.26 | 1.705 | 0.1843 | 0.1298 | 0.0022 |
Household size (adult equivalent) | − 0.91** | 0.437 | − 0.6401 | − 0.4511 | − 0.0077 |
Socio-economic characteristics | |||||
Education level in years | − 0.26* | 0.144 | − 0.1807 | − 0.1273 | − 0.0022 |
Total wealth index | − 0.075*** | 0.023 | − 0.0531 | − 0.0374 | − 0.0006 |
Farm-specific attributes | |||||
Total land holding size in hectare | − 0.129*** | 0.047 | − 0.0913 | − 0.0643 | − 0.0011 |
Insect infestation and/or rodent attack | 0.01** | 0.002 | 0.0026 | 0.0018 | 0.0001 |
Availability of storage (dummy) | 0.79 | 2.037 | 0.5590 | 0.3939 | 0.0067 |
Institutional and marketing characteristics | |||||
Extension support services | − 5.55** | 2.199 | 3.9137 | − 2.7579 | − 0.0472 |
Cooperative membership | − 0.38** | 0.166 | − 0.2642 | − 0.1862 | − 0.0032 |
Use of credit | 0.85 | 2.377 | 0.6024 | 0.4245 | 0.0073 |
Distance to nearest main market | 0.07*** | 0.009 | 0.0489 | 0.0344 | 0.0006 |
Distance to all weathered road | 0.25** | 0.107 | 0.1760 | 0.1240 | 0.0021 |
Constant | 35.12*** | 6.719 | Â | Â | Â |
Log likelihood | − 9309.29 |  | |||
F (12, 2474) | 13*** | ||||
Left-censored observations | 808 | ||||
Uncensored observations | 1678 | ||||
Right-censored observations | 0 |