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Revista de Economia e Sociologia Rural

Print version ISSN 0103-2003

Abstract

MATTOS, Leonardo Bornacki de; LIMA, João Eustáquio de; LIRIO, Viviani Silva  and  CAMPOS, Antônio Carvalho. Modelos de cointegração com um ou dois limiares: uma aplicação para o preço do frango inteiro resfriado em mercados atacadistas no Brasil. Rev. Econ. Sociol. Rural [online]. 2010, vol.48, n.4, pp.597-617. ISSN 0103-2003.  https://doi.org/10.1590/S0103-20032010000400005.

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.

Keywords : market integration; threshold cointegration; transaction costs; linearity test; poultry.

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