Motivos para migra？？o no Brasil e retorno ao nordeste: padr？es etários, por sexo e origem/destino

reasons to migrate have not been frequently addressed in surveys in brazil until 2001 national household survey. this paper brings empirical evidences on these type of information, analyzing on sex and age perspective and also on different types of migratory displacements framework. the reasons declared for migrants that return to the northeast are also analyzed.