Table 11a.
Estimation results of determinants of fertilizer purchase (0/1) decision.
| Variables | Nigeria |
South |
North |
|||
|---|---|---|---|---|---|---|
| CRE Probit | Linear FE | CRE Probit | Linear FE | CRE Probit | Linear FE | |
| Household head is Male (0/1) | 0.050∗ | 0.115 | 0.026 | −0.010 | 0.131∗∗∗ | 0.637∗∗ |
| [0.058] | [0.177] | [0.355] | [0.861] | [0.004] | [0.049] | |
| Age of the household head (years) | 0.000 | −0.001 | 0.000 | −0.001 | 0.000 | −0.001 |
| [0.740] | [0.725] | [0.654] | [0.784] | [0.876] | [0.716] | |
| Household dependency ratio | −0.006 | −0.012 | 0.030 | 0.028 | −0.030∗ | −0.034∗ |
| [0.669] | [0.446] | [0.169] | [0.225] | [0.052] | [0.081] | |
| Household head has formal education (0/1) | 0.081∗∗∗ | 0.051∗∗ | 0.056∗∗ | 0.040 | 0.094∗∗∗ | 0.057∗∗ |
| [0.000] | [0.041] | [0.046] | [0.521] | [0.000] | [0.035] | |
| Land holding size (hectares) | 0.017 | 0.026∗ | −0.033 | −0.013 | 0.031∗∗ | 0.037∗∗ |
| [0.220] | [0.057] | [0.260] | [0.603] | [0.036] | [0.020] | |
| Agricultural asset index | 0.002 | 0.002 | 0.003 | 0.001 | 0.002 | 0.002 |
| [0.267] | [0.323] | [0.403] | [0.576] | [0.349] | [0.315] | |
| Total Livestock Units index | 0.652∗∗ | 0.413 | −0.649 | 0.355 | 0.651∗ | 0.349 |
| [0.049] | [0.158] | [0.656] | [0.536] | [0.080] | [0.257] | |
| LOG of crop sales in naira per ha of harvested land | 0.001+ | 0.001∗ | 0.000 | 0.000 | 0.001∗ | 0.001∗∗ |
| [0.114] | [0.071] | [0.623] | [0.597] | [0.083] | [0.049] | |
| A household member is engaged in Non-Farm Self-employment (1/0) | 0.070∗∗ | 0.078∗∗∗ | 0.106∗∗ | 0.135∗∗∗ | 0.052+ | 0.062∗ |
| [0.012] | [0.009] | [0.020] | [0.009] | [0.149] | [0.078] | |
| A household member is engaged in wage employment (1/0) | −0.022 | −0.019 | −0.025 | −0.022 | −0.006 | −0.004 |
| [0.418] | [0.545] | [0.505] | [0.595] | [0.876] | [0.918] | |
| A household member took a loan (0/1) | 0.056∗∗∗ | 0.060∗∗∗ | 0.045 | 0.047 | 0.069∗∗∗ | 0.076∗∗∗ |
| [0.009] | [0.001] | [0.203] | [0.163] | [0.009] | [0.001] | |
| Coefficient of variation of rainfall | −0.003∗∗∗ | −0.003 | −0.004∗∗∗ | |||
| [0.001] | [0.623] | [0.000] | ||||
| LOG of fertilizer price in Naira per kg | −0.017 | −0.019 | −0.015 | −0.003 | −0.017 | −0.033 |
| [0.616] | [0.481] | [0.729] | [0.920] | [0.737] | [0.438] | |
| Share of total land cultivated allocated to grains crops | 0.002 | 0.003∗ | 0.000 | −0.000 | 0.004∗∗ | 0.003∗∗ |
| [0.171] | [0.061] | [0.813] | [0.711] | [0.047] | [0.047] | |
| Share of total land cultivated allocated to legumes crops | 0.001 | 0.002 | 0.001 | 0.000 | 0.003+ | 0.002 |
| [0.492] | [0.173] | [0.478] | [0.829] | [0.138] | [0.199] | |
| Share of total land cultivated allocated to tubers crops | 0.001 | 0.002 | −0.000 | −0.001 | 0.004∗ | 0.002 |
| [0.560] | [0.207] | [0.766] | [0.217] | [0.072] | [0.179] | |
| Share of total land cultivated allocated to oil crops | 0.001 | 0.002 | 0.000 | −0.000 | 0.002 | 0.000 |
| [0.558] | [0.267] | [0.809] | [0.979] | [0.560] | [0.981] | |
| Share of total land cultivated allocated to horticulture crops | 0.002∗ | 0.003∗ | 0.001 | 0.001 | 0.004∗ | 0.003+ |
| [0.092] | [0.052] | [0.360] | [0.380] | [0.091] | [0.123] | |
| Share of total land cultivated allocated to cotton | −0.002 | 0.001 | ||||
| [0.387] | [0.774] | |||||
| Urban dummy variable (0/1) | 0.089∗∗∗ | −0.096 | 0.092∗∗∗ | −0.118 | 0.050 | −0.143 |
| [0.005] | [0.701] | [0.008] | [0.189] | [0.252] | [0.607] | |
| Household Distance in (KMs) to Nearest Market | −0.002∗∗∗ | −0.003 | −0.000 | −0.000 | −0.003∗∗∗ | −0.006 |
| [0.000] | [0.771] | [0.454] | [0.990] | [0.000] | [0.259] | |
| Year 2010 (0/1) | 0.017 | 0.017 | 0.029 | 0.054∗∗∗ | 0.005 | −0.005 |
| [0.237] | [0.191] | [0.154] | [0.004] | [0.784] | [0.767] | |
| Zone dummies | ||||||
| North east | 0.095∗ | 0.071 | ||||
| [0.057] | [0.185] | |||||
| North west | 0.324∗∗∗ | 0.310∗∗∗ | ||||
| [0.000] | [0.000] | |||||
| South east | −0.165∗∗∗ | 0.255∗∗∗ | ||||
| [0.006] | [0.000] | |||||
| South center | −0.229∗∗∗ | 0.169∗∗ | ||||
| [0.002] | [0.011] | |||||
| South west | −0.400∗∗∗ | |||||
| [0.000] | ||||||
| Constant | 0.339 | 0.168 | 0.231 | |||
| [0.662] | [0.875] | [0.669] | ||||
| Number of observations | 4843 | 4843 | 1670 | 1670 | 3173 | 3173 |
| R-squared | 0.027 | 0.045 | 0.037 | |||
| Number of households | 2730 | 995 | 1735 | |||
Note:∗∗∗, ∗∗, ∗, and + indicate that the corresponding regression coefficients are statistically significant at the 1%, 5%, 10%, and 15% levels, respectively. Model estimated using partial MLE estimation method. P values based on clustered standard errors between brackets. CRE stands for Correlated Random Effects while FE stands for Fixed Effects.
Source: Generated by authors using LSMS data.