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Análise Do Poder De Compra No Mercado De Arroz Em São Paulo

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  • Margarido, Mario Antonio
  • Bueno, Carlos Roberto Ferreira

Abstract

Esse artigo utilizou testes de exogeneidade e de co-integração para determinar o poder de compra entre os segmentos de produtores agrícolas, atacado e varejo em São Paulo. Foram utilizadas séries de preços de arroz em nível de produtor de arroz no estado de São Paulo, preço de arroz no atacado e varejo, ambos na cidade de São Paulo. O período de análise abrange o período de janeiro de 1995 a dezembro de 2006. Os resultados mostram que, no longo prazo, o atacado deprime o valor recebido pelo produtor de arroz em 15,10% (elasticidade de transmissão de preço maior que a unidade), resultado que demonstra o poder de compra do primeiro sobre o segundo. Os resultados também mostram que o varejo deprime os preços do arroz no atacado no longo prazo, porém, com menor intensidade, cerca de 10,02% (elasticidade de transmissão de preço próximo da unidade). Ambos resultados refletem os efeitos das respectivas estruturas de comercialização do arroz.-----------------------------------------------This work used exogeneity and cointegration tests so as to determine the level of buyers’ power among wholesale and retail levels of agricultural production in Sao Paulo. We used series for rice prices at producer level in the state of Sao Paulo, as well as rice prices at wholesale and retail levels, both in the city of Sao Paulo between January 1995 and December 1996. Results showed that in the long run the wholesale level is able to depress by 15.10% (elasticity transmission more than one) the prices received by the producer, thus evidencing the buyers’ power of the wholesalers against producers. Results also showed that retailers are able to depress wholesale rice prices in the long run, although with lower intensity, by 10.02% (elasticity transmission near one). Both results are related to the underlying structures of rice trading.

Suggested Citation

  • Margarido, Mario Antonio & Bueno, Carlos Roberto Ferreira, 2008. "Análise Do Poder De Compra No Mercado De Arroz Em São Paulo," 46th Congress, July 20-23, 2008, Rio Branco, Acre, Brazil 112733, Sociedade Brasileira de Economia, Administracao e Sociologia Rural (SOBER).
  • Handle: RePEc:ags:sbrfsr:112733
    DOI: 10.22004/ag.econ.112733
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    Keywords

    Crop Production/Industries;

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