216
Estimated Relationships between Temperature and Rainfall and Migration Intensity 4
4
3
3 migration intensity index
migration intensity index
Figure 7.8
2 1 0 –1
2 1 0 –1
–2 8
12 16 20 24 28 average annual temperature (ºC)
–2 0
1 2 3 4 5 6 average accumulated precipitation (m)
Source: Authors’ elaboration. Note: Green central lines represent the point estimates from table 7.5. The thinner black lines delimit the 95 percent confidence interval as estimated by Stata’s lincom command.