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Table 2 Tobit model result and their marginal effects

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

   

Log likelihood

− 9309.29

 

F (12, 2474)

13***

Left-censored observations

808

Uncensored observations

1678

Right-censored observations

0

  1. Source: Model Result