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Método Raws/Raw Para Estimação Anual da Matriz de Insumo-Produto na Referência 2000 das Contas Nacionais

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  • Thiago Sevilhano Martinez

Abstract

O objetivo deste artigo é construir um método, denominado RAWS/RAW, para estimar uma série anual de matrizes de insumo-produto (MIPs) na referência 2000 das contas nacionais. O RAWS/RAW diferencia-se de outros procedimentos aplicados ao Brasil por fundamentar-se em algoritmos que otimizam o uso da informação relevante disponível. Desenvolve-se o algoritmo RAW a partir do algoritmo RAWS apresentado em Martinez (2014), incorporando-se seus avanços metodológicos e as tabelas auxiliares das MIPs 2000 e 2005 por ele estimadas. A partir das MIPs completas de 2000 e 2005 obtidas com o RAWS, são interpoladas as MIPs 2001-2004 e projetadas as MIPs 2006-2009 pelo RAW. Para testar o método RAWS/RAW, projeta-se uma versão da MIP 2005 com as informações da MIP 2000, a qual, segundo diferentes medidas de precisão,apresenta desempenho superior ao método de Guilhoto e Sesso-Filho (2005; 2010) na comparação com a MIP 2005 do Instituto Brasileiro de Geografia e Estatística (IBGE). The aim of this paper is to build the so-called RAWS/RAW method to estimate an annual series of Input-Output Tables (IOTs) in 2000 reference of Brazilian national accounts. The RAWS/RAW differs from other procedures applied to Brazil in that it is based on algorithms that optimize the use of relevant information available. We develop the RAW algorithm from the RAWS algorithm presented in AUTORX (2013), by incorporating both its methodological advances and auxiliary tables of the 2000/2005 IOTs estimated there. Using the 2000 and 2005 IOTs obtained from the RAWS algorithm, we both interpolate 2001-2004 IOTs and project 2006-2009 IOTs with the RAW algorithm. To test the RAWS/RAW method, we project a version of the 2005 IOT using information from the 2000 IOT, which, according to various measures of accuracy, outperforms Guilhoto and Sesso-Filho (2005, 2010) in comparison with the 2005 IOT released by IBGE.

Suggested Citation

  • Thiago Sevilhano Martinez, 2015. "Método Raws/Raw Para Estimação Anual da Matriz de Insumo-Produto na Referência 2000 das Contas Nacionais," Discussion Papers 2043, Instituto de Pesquisa Econômica Aplicada - IPEA.
  • Handle: RePEc:ipe:ipetds:2043
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