Table 4 Overview of parameters
From: Climate change scenarios in Zambia: modeling farmers’ adaptation
Parameter | Unit | Definition |
|---|---|---|
\({labor}_{i,s}\) | \(days/hectare\) | Labor input for cultivation \(i\) in month \(s\) per hectare |
\({yield}_{i,t}\) | \(kg/hectare\) | Yield of cultivation \(i\) in period \(t\) per hectare |
\(cl\) | \(days/month\) | Availability of on-farm labor days per adult per month |
\(cla\) | \(hectare\) | Availability of farm land for crop production |
\(cm\) | \(percent\) | Share of available off-farm work to the total number of adults |
\({r}_{n}\) | \(kg\;rotted/total\;production\) | Ratio of rotted crop \(n\) |
\({kfix}_{i}\) | \(ZMK\) | Fix costs of cultivation \(i\) |
\({kvar}_{i}\) | \(ZMK/hectare\) | Variable costs of cultivation \(i\) per hectare |
\({kcal}_{n}\) | \(kcal/kg\) | Kilocalorie of crop \(n\) per kg |
\(child\) | \(Number\) | Children per household |
\(minkcal\) | \(kcal/year\) | Kilocalorie requirement per household member per year |
\({h}_{n}\) | \(kg \; of \; crop \; n/total \; consumption\) | Habit to eat crop \(n\) |
\(bmin\) | \(ZMK\) | Minimum budget needs per household per year |
\({pr}_{n}\) | \(ZMK/kg\) | Retail price of crop \(n\) per kg |
\({pp}_{n}\) | \(ZMK/kg\) | Purchase price of crop \(n\) per kg |
\(w\) | \(ZMK/month\) | Off-farm wage per month |
\(K\) | \(Number\) | Number of adults |