Author
Listed:
- Mattos, Leonardo Bornacki de
- Lima, Joao Eustaquio de
- Lirio, Viviani Silva
- Campos, Antonio Carvalho
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, enquanto para os demais mercados, o modelo com três regimes é o que melhor se ajusta. Constata-se a presença de significativas barreiras à transmissão de choques de preços entre os mercados, o que provavelmente resulta de custos de transação não desprezíveis na comercialização da carne de frango......Most studies about market integration that use threshold cointegration do not usually test the number of regimes of price adjustment. In this study, we use a testing procedure to determine the number of statistically significant regimes for regional markets of poultry in Brazil in the period of January 1998 to June 2007. Results show that, for some markets, two regimes are adequate, whereas for others, the model should have three regimes. We also conclude that there are important barriers to price transmission among the markets which may come from the existence of high transaction costs regarding trades involving poultry.
Suggested Citation
Mattos, Leonardo Bornacki de & Lima, Joao Eustaquio de & Lirio, Viviani Silva & Campos, Antonio Carvalho, 2010.
"Modelos de Cointegração com um ou dois Limiares: uma Aplicação para o Preço do Frango Inteiro Resfriado em Mercados Atacadistas no Brasil,"
Brazilian Journal of Rural Economy and Sociology (Revista de Economia e Sociologia Rural-RESR), Sociedade Brasileira de Economia e Sociologia Rural, vol. 48(4), pages 1-21.
Handle:
RePEc:ags:rdecag:151963
DOI: 10.22004/ag.econ.151963
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