Estimation results of constant coefficient models
| Dependent variable: Log of rice output | |||
|---|---|---|---|
| Variables | Augmented linear model | Partially nonlinear model | |
| (1) | (2) | (3) | |
| Seedi | Log of seed cost | −0.1323*** (–3.84) | −0.1007*** (–3.25) |
| Fertilizeri | Log of fertilizer cost | 0.2143*** (8.20) | 0.1921*** (7.68) |
| Pesticidei | Log of pesticide cost | 0.0162 (0.74) | 0.0165 (0.77) |
| Herbicidei | Log of herbicide cost | 0.0065 (0.30) | −0.0187 (–0.89) |
| Labori | Log of labor cost | −0.1941*** (–6.18) | −0.2013*** (–6.67) |
| Farmsizei | Log of farm size | 1.0602*** (41.02) | |
| edui | Years of schooling of household head | 0.0263 (1.58) | 0.0268 (1.67) |
| Constant C | −7.0622 (–30.34) | ||
| Number of observation (N) | 901 | 901 | |
| Prob > F | 0.000 | ||
| R-squared | 0.8159 | 0.1612 | |
| Adj. R-squared | 0.8145 | 0.1556 | |
| Root MSE | 0.3948 | 0.3742 | |
| Dependent variable: Log of rice output | |||
|---|---|---|---|
| Variables | Augmented linear model | Partially nonlinear model | |
| (1) | (2) | (3) | |
| Seed | Log of seed cost | −0.1323*** (–3.84) | −0.1007*** (–3.25) |
| Fertilizer | Log of fertilizer cost | 0.2143*** (8.20) | 0.1921*** (7.68) |
| Pesticide | Log of pesticide cost | 0.0162 (0.74) | 0.0165 (0.77) |
| Herbicide | Log of herbicide cost | 0.0065 (0.30) | −0.0187 (–0.89) |
| Labor | Log of labor cost | −0.1941*** (–6.18) | −0.2013*** (–6.67) |
| Farmsize | Log of farm size | 1.0602*** (41.02) | |
| edu | Years of schooling of household head | 0.0263 (1.58) | 0.0268 (1.67) |
| Constant | −7.0622 (–30.34) | ||
| Number of observation ( | 901 | 901 | |
| Prob > | 0.000 | ||
| 0.8159 | 0.1612 | ||
| Adj. | 0.8145 | 0.1556 | |
| Root MSE | 0.3948 | 0.3742 | |
Note(s): (*), (**) and (***) designate statistical significance at the 10, 5 and 1%, respectively
Source(s): The author's survey (2018)
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