Loglinear specification results of Ricardian model for all farms
| Climate only (2) | Climate with CC interactiona (3) | Full model without interactionb (4) | ||||
|---|---|---|---|---|---|---|
| Variables | Coef. | t-stat. | Coef. | t-stat. | Coef. | t-stat. |
| Dry season temp. | −0.917 | −0.27 | −1.193 | −2.78 | ||
| Dry season temp.2 | −0.023 | −9.10 | −0.021 | −8.27 | −0.058 | −5.64 |
| Rainy season temp. | −6.568 | −3.52 | −0.079 | −0.71 | ||
| Rainy season temp.2 | −0.0045 | −1.27 | −0.0045 | −1.27 | −0.0032 | −0.96 |
| Harmattan temp. | −8.805 | −7.72 | −8.805 | −7.72 | 0.534 | 1.68 |
| Harmattan temp.2 | 1.877 | 7.79 | 1.877 | 7.79 | 0.075 | 10.47 |
| Dry season precip. | −0.086 | −3.25 | −0.113 | −3.46 | ||
| Dry season precip.2 | 0.00075 | 2.41 | −0.00023 | −5.76 | −0.0010 | −4.49 |
| Rainy season precip. | −0.0123 | −0.40 | 0.088 | 0.22 | ||
| Rainy season precip.2 | −0.00023 | −5.40 | −0.00005 | −0.58 | −0.0009 | −4.80 |
| Harmattan precip. | −0.0035 | −0.12 | −0.210 | −0.56 | ||
| Harmattan precip.2 | 0.00019 | 5.65 | 0.0017 | 6.32 | 0.0061 | 4.82 |
| Dry season temp. × precip. | ||||||
| Rainy season precip. × temp. | −0.0027 | −3.19 | ||||
| Harmattan temp. × precip. | 0.0015 | 2.23 | ||||
| La_soil_type | −3.005 | −7.35 | ||||
| Jc_soil_type | −2.432 | −6.93 | ||||
| Li_soil_type | −2.576 | −7.10 | ||||
| LVf | −2.416 | −6.74 | ||||
| Farm altitude | 0.014 | 1.82 | ||||
| Irrigation | 0.191 | 3.24 | ||||
| Population_density | −0.030 | −3.24 | ||||
| Access_credit | 0.199 | 4.05 | ||||
| Education_head | −0.034 | −1.64 | ||||
| Farm_experience | −0.0037 | −0.60 | ||||
| Crop_area | 0.0045 | 0.43 | ||||
| Household_ size | −0.018 | −1.02 | ||||
| Market_distance (km) | −0.446 | −2.85 | ||||
| No of visit by ext. worker | 0.335 | 1.24 | ||||
| Total farm area (hectare) | −0.067 | −1.53 | ||||
| Constant | 12.9 | 7.64 | 13.1 | 7.72 | 26.4 | 10.4 |
| F-statistics | 12.1 | 12.1 | 13.6 | |||
| Adjusted R2 | 0.29 | 0.27 | 0.46 | |||
| Observations | 280 | 280 | 280 | |||
| Climate only (2) | Climate with CC interactiona (3) | Full model without interaction | ||||
|---|---|---|---|---|---|---|
| Variables | Coef. | Coef. | Coef. | |||
| Dry season temp. | −0.917 | −0.27 | −1.193 | |||
| Dry season temp.2 | −0.023 | −0.021 | −0.058 | |||
| Rainy season temp. | −6.568 | −0.079 | −0.71 | |||
| Rainy season temp.2 | −0.0045 | −1.27 | −0.0045 | −1.27 | −0.0032 | −0.96 |
| −8.805 | −8.805 | 0.534 | 1.68 | |||
| 1.877 | 1.877 | 0.075 | ||||
| Dry season precip. | −0.086 | −0.113 | ||||
| Dry season precip.2 | 0.00075 | −0.00023 | −0.0010 | |||
| Rainy season precip. | −0.0123 | −0.40 | 0.088 | 0.22 | ||
| Rainy season precip.2 | −0.00023 | −0.00005 | −0.58 | −0.0009 | ||
| −0.0035 | −0.12 | −0.210 | −0.56 | |||
| 0.00019 | 0.0017 | 0.0061 | ||||
| Dry season temp. × precip. | ||||||
| Rainy season precip. × temp. | −0.0027 | |||||
| 0.0015 | ||||||
| La_soil_type | −3.005 | |||||
| Jc_soil_type | −2.432 | |||||
| Li_soil_type | −2.576 | |||||
| LVf | −2.416 | |||||
| Farm altitude | 0.014 | 1.82 | ||||
| Irrigation | 0.191 | |||||
| Population_density | −0.030 | |||||
| Access_credit | 0.199 | |||||
| Education_head | −0.034 | −1.64 | ||||
| Farm_experience | −0.0037 | −0.60 | ||||
| Crop_area | 0.0045 | 0.43 | ||||
| Household_ size | −0.018 | −1.02 | ||||
| Market_distance (km) | −0.446 | |||||
| No of visit by ext. worker | 0.335 | 1.24 | ||||
| Total farm area (hectare) | −0.067 | −1.53 | ||||
| Constant | 12.9 | 13.1 | 26.4 | |||
| 12.1 | 12.1 | 13.6 | ||||
| Adjusted | 0.29 | 0.27 | 0.46 | |||
| Observations | 280 | 280 | 280 | |||
Notes:
aShowing estimated results for model with only climatic variables used as the independent variables.
Results for climate response function specified in equation (2); all figures in italic signifies statistical significance of variables at 1% and 5% levels of confidence
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.