puits (1) région (1) pauvreté (1) modèle (1) revenu (1) ordre (1) Brésil (1) Area (1) Area (1) Process (Law) (1) Poverty (1) Poisson distribution (1) Order (1) Migrant agricultural laborers (1) Income (1) Immigrants (1) Human capital (1) Gravity (1) Example (1) Evidence (1) Determinants (1) Influence (1) Number (1) Migration (1)