Areas of Influence of Cities

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Description

The survey Area of Influence of Cities - REGIC defines the hierarchy of the Brazilian urban centers and delimitates the areas of influence associated to them. It is in this survey that the Brazilian regional capitals and metropolises are identified as well as how far their spatial influence goes.

The identification of the urban hierarchy and influence areas is carried out by means of the classification of the urban centers that have certain equipment and services and that attract populations from other localities. The differentiated supply of goods and services among the cities makes populations move to well-equipped urban centers searching for health and education services or an airport, for instance. Tracing the relationships between the Brazilian cities based on the analysis of goods, services and management flows is an important tool for making choices concerning location, as the decision to where a university, a hospital or a comapany's branch should be.