An ARIMA Methodology for Examining the Competitive Hypothesis in Agriculture

Thomas Fullerton () and Wallace Huffman

ISU General Staff Papers from Iowa State University, Department of Economics

Abstract: The adoption of advertising and product differentiation strategies normally associated with monopolistically competitive industry structures calls into question the competitive assumption generally utilized in agricultural econometrics. The scale of large corporate, and sole proprietor, farms has also expanded during the past century and a half. As a means for examining the competitive hypothesis, a univariate time series methodology is proposed that involves both formal statistical testing and informal inference regarding individual model characteristics. Empirical analysis utilizes data for seven vegetable producing regions of the United States.

Date: 2002-03-01
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Working Paper: An Arima Methodology for Examining the Competitive Hypothesis in Agriculture (2002)
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