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Análise De Quebra Estrutural E Previsão Do Preço Do Feijão Recebido Pelo Produtor No Brasil

Author

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  • Teixeira, Gibran da Silva
  • Pinto, Pablo Aurelio Lacerda De Almeida

Abstract

Neste artigo realiza-se uma análise de quebra estrutural e uma previsão para o preço médio mensal do feijão (recebido pelo produtor brasileiro) a partir de uma série temporal que compreende o período janeiro/1996 - dezembro/2007. Os resultados demonstraram que a série em questão apresenta uma quebra estrutural no período referente a outubro de 1999, fator este que levou ao corte da mesma, sendo considerado na análise o intervalo de janeiro de 2000 a dezembro de 2007, totalizando 96 observações. Para a previsão, adota-se a metodologia Box-Jenkins, identifica-se para tal previsão o método autorregressivo integrado com média móvel (ARIMA). Verifica-se por meio de uma previsão ex-ante, fundamentada nos dados amostrais, um aumento no preço futuro do produto para os próximos nove meses.------------------------------------------------------------------------------------In this article it is realized one analyses of structural broke and one bean’s average price forecast (received by the Brazilian producer) begging from one temporal series that typifies the period from January/2006 to December/2007. The results demonstrate that the series in study presents one structural broke in the period referent to October 1999, this factor brought to the elimination of the same, being considerate the analyses of the period from January 2000 to December 2007, totalizing 96 observations. For the forecast, it is used the Box-Jenkins methodology, it is identified for such prevision the autoregressive method integrated with the mobile average (ARIMA). It is verified by one ex-ante prevision, based in the sample data, one increase in the future price of the good for the next 9 months.

Suggested Citation

  • Teixeira, Gibran da Silva & Pinto, Pablo Aurelio Lacerda De Almeida, 2008. "Análise De Quebra Estrutural E Previsão Do Preço Do Feijão Recebido Pelo Produtor No Brasil," 46th Congress, July 20-23, 2008, Rio Branco, Acre, Brazil 106109, Sociedade Brasileira de Economia, Administracao e Sociologia Rural (SOBER).
  • Handle: RePEc:ags:sbrfsr:106109
    DOI: 10.22004/ag.econ.106109
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    Crop Production/Industries;

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