Table 2.
Response and explanatory variables used in this analysis. Under “Expected Sign” we indicate for international and internal migration the expected sign of the regression coefficients for the explanatory variables; +/− means that it is not clear, based on prior research, which sign to expect.
| Expected Sign |
||||||
|---|---|---|---|---|---|---|
| Variable | Description | Source | INT | DOM | ||
| Response variables | Out-Migration | INT_MIG | Proportion of the population that migrated out of a municipality to an international destination, 2005–2010. | IPUMS | N/A | N/A |
| DOM_MIG | Proportion of the population that migrated out of a municipality to an internal destination, 2005–2010. | IPUMS | N/A | N/A | ||
| Explanatory variables | Physical Capital | IRRIG | % of Crop Units Irrigated within a Municipality | INEGI | + | + |
| Financial Capital | INCOME | The average peso’s earned by households within a municipality, 2010. | IPUMS | + | + | |
| Human Capital | DISAB | Proportion of individuals within the municipality who are disabled, 2010. | IPUMS | − | − | |
| AGE | Average age of individuals within the municipality, 2010. | IPUMS | − | − | ||
| SEX | Proportion of individuals within the municipality who are female, 2010. | IPUMS | + | + | ||
| Social Capital | REMIT | The proportion of households within a municipality that received at least some remittances (2000). | INEGI | +/− | +/− | |
| HIST_MIG | The proportion of the population that migrated internally from a municipality from 1995 to 2000. | IPUMS | +/− | +/− | ||
| Natural Capital | RAINFALL | The amount of rainfall (in average mm / hour) each municipality received from 2005 to 2009. | TRMM | − | − | |
| LESS_RAIN | A binary 1 or 0, in which a 1 indicates the region received more rainfall than was historically usual. | TRMM / INEGI | − | − | ||
| TOTALAGSURFACE | The total surface area (Hectacres) of agricultural land within each municipality (2007). | INEGI | +/− | +/− | ||