Palabras clave : migración interna; migración urbana-urbana; Gran Área Metropolitana.

Resumen

The most recent patterns of internal migration in s everal Latin-American countries, pointed to the gro wing intrametropolitan flows from urban centers to perip heral areas, associated with urban residential proc esses in the rural areas next to metropolitan zone. This paper analyze this phenomenon in Costa Rica, estimating the patterns of internal migration within the Great Metropolitan Area (Gran Area Metropolitana - GAM), and trying to determine some push and pull factors that possibly explain these patterns, using a Poiss on model to discriminate between a selected variables on a multivariate regression. The results confirm s ome tendencies observed in other metropolitan areas of Latin America, and give some explanations to the specific case of GAM.