Table 3 Overview of decision variables
From: Climate change scenarios in Zambia: modeling farmers’ adaptation
Variable | Unit | Definition |
|---|---|---|
\({X}_{i,t}\) | \(\left[kg\right]\) | Production of cultivation type \(i\) in period \(t\) |
\({F}_{n,t}\) | \(\left[kg\right]\) | Production of crop \(n\) in period \(t\) |
\({FST}_{n,t}\) | \(\left[kg\right]\) | Stored crop \(n\) in period \(t\) |
\({FE}_{n,t}\) | \(\left[kg\right]\) | Consumption of self-produced crop \(n\) in period \(t\) |
\({FS}_{n,t}\) | \(\left[kg\right]\) | Sales of crop \(n\) in period \(t\) |
\({FP}_{n,t}\) | \(\left[kg\right]\) | Purchases of crop \(n\) in period \(t\) |
\({B}_{t}\) | \(\left[ZMK\right]\) | Budget in period \(t\) |
\({P}_{t}\) | \(\left[ZMK\right]\) | Farm input purchases for crop production in period \(t\) |
\({PM}_{t}\) | \(\left[ZMK\right]\) | Food purchases in period \(t\) |
\({SV}_{t}\) | \(\left[ZMK\right]\) | Savings generated in period \(t\) |
\({A}_{k,s,t}\) | \(Binary\) | 1 if adult \(k\) in month \(s\) and period \(t\) is working on-farm, 0 otherwise |
\({Y}_{i,t}\) | \(Binary\) | 1 if cultivation type \(i\) in period \(t\) is produced, 0 otherwise |