tendência histórica de preços pagos ao produtor na agricultura de grãos do rio grande do sul, brasil price tendency received by grain agricultural farmers in rio grande do sul, brazil

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ID: 238258
2007
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Abstract
O presente trabalho analisa a evolução histórica dos preços pagos ao produtor pelos principais produtos da agricultura do Rio Grande do Sul nas últimas três décadas, dando especial atenção às tendências ocorridas a partir da década de 90 e, principalmente, após a estabilização monetária obtida com o Plano Real de 1994. A metodologia utilizada foi a de análise de séries temporais, realizada com base no histórico de preços médios mensais pagos ao produtor, coletados pela Emater/RS, abrangendo o período de janeiro de 1973 a dezembro de 2005. A análise permitiu concluir que todos os produtos pesquisados (arroz, feijão, milho, soja e trigo) apresentaram uma desvalorização significativa em seus preços reais entre os anos de 1973 e 2005, e que a década de 80 foi o período de maior declínio de preços. Além disso, constatou-se que o período após o Plano Real foi marcado pela inexistência de tendência de preços para arroz, trigo e milho, sobretudo pela forma errática com que os mesmos variaram, e pela leve tendência de elevação de preços da soja e de declínio de preços do feijão.
This research examines the historical evolution of prices paid to farmers for the most important agricultural products in Rio Grande do Sul for the last three decades, by giving special attention to the changes in prices that occurred since the nineties, and mainly after the monetary stabilization obtained with the "Plano Real" in 1994. The methodology used was the times series, based on longitudinal data collected by Emater/RS regarding the average monthly prices paid to farmers, from January 1973 to December 2005. The results indicated that all studied products (rice, beans, corn, soy, and wheat) had a significant decline in their real price values between the years of 1973 and 2005, and the biggest decline occured during the eighties. Besides, it was not identified a clear price trend for rice, wheat and corn in the period after the "Plano Real" due to the random pattern in price variation for these products. In this period, there was also a slight positive trend in the prices of soy and a decline in the prices of beans.
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souza2007cinciatendncia Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Renato Santos de Souza, João Garibaldi Almeida Viana
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Journal Trials
Year 2007
DOI
10.1590/S0103-84782007000400034
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782007000400034
Keywords
times seriesagricultureagriculture (general)

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