Table 2 Panel fixed effect estimates of the Cobb–Douglas farm production function
Independent variables | (I) | (II) | (III) |
|---|---|---|---|
Household dietary diversity score | 0.390* | 0.394* | 0.408* |
(0.211) | (0.212) | (0.218) | |
Household dietary diversity score squared | − 0.128* | − 0.128* | − 0.131* |
(0.0703) | (0.0706) | (0.0724) | |
Health (ADLI) | 0.235 | 0.380 | 0.395 |
(0.947) | (0.945) | (0.910) | |
Measured land | 2.974*** | 2.968*** | 2.973*** |
(0.173) | (0.173) | (0.174) | |
Household labor (person days) | 0.0565*** | 0.0567*** | 0.0574*** |
(0.0108) | (0.0109) | (0.0108) | |
Hired labor (person days) | 0.0123 | 0.0120 | 0.0106 |
(0.0151) | (0.0152) | (0.0151) | |
Shared labor (person day) | 0.0539*** | 0.0517*** | 0.0513*** |
(0.0126) | (0.0129) | (0.0129) | |
Fertilizer in kg | 0.0691*** | 0.0689*** | 0.0694*** |
(0.00876) | (0.00877) | (0.00887) | |
Improved seed in kg | 0.0222 | 0.0225 | 0.0213 |
(0.0151) | (0.0154) | (0.0153) | |
Number of plots | − 0.0106 | − 0.0118 | |
(0.0153) | (0.0154) | ||
Head age | 0.0468 | 0.0283 | |
(0.137) | (0.136) | ||
Household size | − 0.0644 | − 0.0609 | |
(0.0682) | (0.0690) | ||
Number of crops | 0.0371 | 0.0365 | |
(0.0631) | (0.0626) | ||
Irrigation dummy | 0.0230 | ||
(0.0824) | |||
Soil quality dummy | 0.0189 | ||
(0.0252) | |||
PSNP dummy | 0.0202 | ||
(0.0659) | |||
Crop rotation dummy | 0.114** | ||
(0.0497) | |||
Extension dummy | 0.000682 | ||
(0.0308) | |||
Advisory dummy | 0.0449 | ||
(0.0355) | |||
Household FE | Yes | Yes | Yes |
Year FE | Yes | Yes | Yes |
Crop FE | Yes | Yes | Yes |
Observations | 5,415 | 5,415 | 5,415 |
R-squared | 0.624 | 0.624 | 0.626 |
Number of cluster | 1,739 | 1,739 | 1,739 |