Table 8.
Sargan test of instrumental variables.
| Variable | Farm Productivity |
Food security |
||||
|---|---|---|---|---|---|---|
| OLS | IV (length of residence) | IV (membership in Ethnic group) | OLS | IV (length of residence) | IV (membership in Ethnic group) | |
| Social capital | 0.513∗∗∗ (0.000) | 0.577∗∗∗ (0.002) | 0.513∗∗ (0.030) | 0.807∗∗∗ (0.001) | 0.861∗∗∗ (0.005) | 0.824∗∗∗ (0.023) |
| Sargan Estimates | 0.572 (0.802) | 0.551∗ (0.078) | 0.192 (0.898) | 0.168∗ (0.061) | ||
∗∗∗,∗∗ and ∗ represent significance levels at 1%, 5% and 10%, respectively.
Figures in parenthesis are the p-values.
Source: Field survey, 2018.