Geoprocessing and Estimation of Interregional Input-Output Systems an Application to the State of Sao Paulo in Brazil


Silvio Massaru Ichihara – University of Sao Paulo (USP)

Joaquim José Martins Guilhoto – Universidade de São Paulo

Denise Imori – Universidade de São Paulo

Resumo: This work develops a method for the construction of input-output systems capable of estimating the flows of goods and services among cities, having in view that the creation of accurate strategies depends on the regional peculiarities incorporated in the scope of the economic planning researches. The study innovates by combining geoprocessing with input-output theory elements, facilitating the interpretation of the information available on the extensive data set of interregional input-output systems. The analytical potential is showed through a panoramic evaluation of the São Paulo State supply and demand relations, and by the application of the estimated input-output system to a study of the regional impacts of the “Bolsa Familia” Program, an income transfer program from the Federal government. The results show that this program must be understood not only as a form of income transference, but also as a catalytic agent for decreasing the regional inequality inside the state.

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