Table 1.
Ordinary least squares regression coefficients for the differences-in-differences analysis reveal a significant negative effect of the refugee crisis (interaction coefficient) on irrigation and reservoir storage
| Independent variable | Dependent variable | ||
| Log irrigated area | Log reservoir storage | ||
| No olives | With olives | ||
| Country dummy (Syria) | 2.633*** (0.144) | 1.703*** (0.100) | 0.793*** (0.094) |
| Time dummy (post-2013) | 0.074 (0.235) | 0.013 (0.164) | −0.049 (0.152) |
| Interaction coefficient | −0.640* (0.333) | −0.390# (0.232) | −0.678*** (0.215) |
| Intercept | 7.877*** (0.102) | 9.345*** (0.071) | 2.096*** (0.070) |
| Counterfactual scenario | Jordan | Jordan | Golan Heights |
| Observations | 32 | 32 | 378 |
| R2 | 0.931 | 0.922 | 0.185 |
Exponentially transformed regression coefficients can be interpreted as relative changes in outcomes. SEs are shown in parentheses. #P < 0.11; *P < 0.1; **P < 0.05; ***P < 0.001.