2010
DOI: 10.1590/s0103-20032010000400005
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Modelos de cointegração com um ou dois limiares: uma aplicação para o preço do frango inteiro resfriado em mercados atacadistas no Brasil

Abstract: A maioria dos estudos de integração de mercados que utiliza a técnica de cointegração com threshold não se preocupa em testar qual o número de regimes de ajustamento de preços é o mais adequado. Neste estudo, utiliza-se um procedimento para determinar o número de regimes estatisticamente indicado para diferentes mercados regionais de carne de frango no Brasil, no período de janeiro de 1998 a junho de 2007. Os resultados mostram que, para um grupo de mercados, o modelo com dois regimes é o mais indicado, enquan… Show more

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Cited by 3 publications
(1 citation statement)
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References 15 publications
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“…MATTOS et al (2011) point out that, among all the models developed from the techniques of cointegration, vector error correction models (VEC) have been widely used. The authors emphasize that as the price adjustments that are induced by deviations from the longterm equilibrium can be considered as a linear function of such a deviation, the same very small deviations would lead to an adjustment process in each market.…”
Section: Introductionmentioning
confidence: 99%
“…MATTOS et al (2011) point out that, among all the models developed from the techniques of cointegration, vector error correction models (VEC) have been widely used. The authors emphasize that as the price adjustments that are induced by deviations from the longterm equilibrium can be considered as a linear function of such a deviation, the same very small deviations would lead to an adjustment process in each market.…”
Section: Introductionmentioning
confidence: 99%