Table 11 Coefficients and elasticities calculated for the quadratic production function.
Symbol | Variable | Coefficient | Sig. | Production elasticity |
|---|---|---|---|---|
T | Extension | 0.32727 | *** | 0.3384 |
T2 | Square of extension | − 0.13745 × 10–1 | *** | − 0.2029 |
L | Labor | 0.27867 × 10–1 | NS | 0.0485 |
K | Fertilizer | 0.86530 × 10–4 | ** | 0.1580 |
S | Seed | 0.38415 × 10–3 | NS | 0.0177 |
M | Machinery | 0.42507 | * | 0.1758 |
L2 | Square of labor | − 0.14492 × 10–2 | NS | − 0.0290 |
K2 | Square of fertilizer | − 0.19601 × 10–8 | * | − 0.0698 |
M2 | Square of machinery | − 0.78160 × 10–1 | * | − 0.1056 |
KM | Cross-effects of machinery and fertilizer | − 0.99713 × 10–5 | NS | − 0.0403 |
S2 | Square of seed | 0.37198 × 10–5 | NS | 0.0502 |
CONSTANT | Constant coefficient | 3.8025 | *** | 0.6584 |
