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Convergência De Preços Do Boi Sob Presença De Quebra Estrutural

Author

Listed:
  • Cunha, Cleyzer Adrian da
  • Cunha, Alex Aires
  • Araujo, Kleber Domingos

Abstract

As variáveis econômicas são afetadas por políticas econômicas e por eventos de caráter exógeno, como bruscas variações climáticas, guerras e desastres ecológicos. Esses eventos caracterizam efeitos conhecidos como “outlier” e devem ser considerados na modelagem econométrica. O estudo procurou analisar a integração de mercado juntamente com os efeitos da presença da quebra estrutural nas séries do preço do boi de corte recebido pelo produtor no estado de Goiás e no Brasil. A principal contribuição do estudo em relação a outros trabalhos foi a utilização do teste de raiz unitária desenvolvido por VOGELSANG (1999) juntamente com teste de co-integração para a presença de "outlier" desenvolvido por GREGORY e HANSEN (1996). Dentre os principais resultados, destaca-se que os preços no Estado de Goiás tendem a acompanhar os preços de outras “praças” de comercialização, mesmo na presença do “outlier”. ---------------------------------------------The economics variables are affected by economics policies and events of nature, climatic variations, and environment disasters. These events characterize known effect as structural breaks and must be considered in the Econometric Analysis. This paper analyze the integration of bull market prices to Goiás and Brazil under effect of structural break. Furthermore, the empirical analysis used models of unit test root VOGELSANG (1999) and co-integration with rigime shift developed for GREGORY and HANSEN (1996).

Suggested Citation

  • Cunha, Cleyzer Adrian da & Cunha, Alex Aires & Araujo, Kleber Domingos, 2008. "Convergência De Preços Do Boi Sob Presença De Quebra Estrutural," 46th Congress, July 20-23, 2008, Rio Branco, Acre, Brazil 109728, Sociedade Brasileira de Economia, Administracao e Sociologia Rural (SOBER).
  • Handle: RePEc:ags:sbrfsr:109728
    DOI: 10.22004/ag.econ.109728
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    Keywords

    Risk and Uncertainty;

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