| Variables | Data source | Expected signs |
| TP: Poverty rate | World Bank (WDI) | − |
| FBCA: Agricultural investment | World Bank (WDI) | + |
| PIBH: GDP per capita | World Bank (WDI) | +/− |
| APD: Development aid | World Bank (WDI) | + |
| IPC: Consumer price index | World Bank (WDI) | − |