Research, Policy and Practice
Table 4 Two-step Heckman model results for fodder market participation
Variable | Decision to buy fodder equation | Quantity of fodder bought equation | ||
|---|---|---|---|---|
Coef. | dy/dx | Coef. | Std. error | |
Access to market information (1 = yes; 0 = no) | 1.329*** | 0.474 | – | – |
Access to weather information (1 = yes; 0 = no) | 0.526** | 0.188 | − 9.927 | 7.412 |
Access to extension services (1 = yes; 0 = no) | 0.212 | 0.076 | 3.442 | 5.991 |
Access to credit (1 = yes; 0 = no) | 0.732*** | 0.261 | – | – |
Land tenure (1 = private; 0 = communal) | − 1.190*** | − 0.425 | − 20.43** | 9.543 |
Number of shocks experienced (in the last 10 years) | 0.470*** | 0.168 | 5.801** | 2.423 |
Log age of respondent (years) | 0.834* | 0.298 | 13.512 | 9.838 |
Sex of household head (1 = female; 0 = otherwise) | − 0.454* | − 0.162 | 5.233 | 5.779 |
Log household size (numbers) | 0.125 | 0.044 | − 8.345 | 6.222 |
Log land size owned (ha) | 0.154 | 0.055 | − 1.301 | 3.611 |
Tropical livestock units (TLUs) | 0.0042 | 0.001 | 1.506*** | 0.181 |
Proportion of off-farm income | − 0.914** | − 0.326 | 3.326 | 11.002 |
Ward (town as base category) | 0.520** | 0.185 | 7.709 | 5.448 |
Constant | − 6.312*** | – | − 86.39** | 42.054 |