Analysis of Price Transmission in the Wholesale Market of Melons in Brazil

The present study has the purpose to analyze the relationship among wholesale market of yellow melon in Brazil. Time series methods, unit root test, Johansen cointegration test, Vectorial Autoregressive models (VAR), variance decomposition of prediction error & impulse response function were use...

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Bibliographic Details
Published in:Revista de economia e sociologia rural 2007-07, Vol.45 (3), p.675-704
Main Authors: de Oliveira Mayorga, Rodrigo, Khan, Ahmad Saeed, Mayorga, Ruben Dario, Lima, Patricia Veronica Pinheiro Sale, Margarido, Mario Antoio
Format: Article
Language:Portuguese
Subjects:
Brazil
Markets
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Summary:The present study has the purpose to analyze the relationship among wholesale market of yellow melon in Brazil. Time series methods, unit root test, Johansen cointegration test, Vectorial Autoregressive models (VAR), variance decomposition of prediction error & impulse response function were used to analyze the price transmission among these markets. The analyzed period embraces January 2001 to December 2005. The results showed that, despite Acu/Mossoro-RN & Baixo Jaguaribe-CE represents the national biggest melon production areas, wholesale prices deviations from the Supply Centers of Natal & Fortaleza, didn't affect in a significant way the other markets studied. On the other hand, price variation of the CEAGESP (Companhia de Entrepostos e Armazens Gerais de Sao Paulo), affects all the others wholesale markets analyzed. Therefore, the CEAGESP, representing national wholesalers, it being the biggest intermediary of the country, commands the Brazilian yellow melon market, establishing, in practice, an oligopolistic market. Adapted from the source document.
ISSN:0103-2003