Journal
AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS
Volume 89, Issue 3, Pages 769-783Publisher
WILEY
DOI: 10.1111/j.1467-8276.2007.01002.x
Keywords
biotechnology; food labeling; grading; identity preservation; minimum quality standards; regulation; uncertainty
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We relate the labeling of genetically modified (GM) products to the theory of grading and minimum quality standards. The model represents three stages in the supply chain, assumes a vertical product differentiation framework, allows for the accidental commingling of non-GM products, and treats regulation as a purity threshold for non-GM products. We find that a non-GM purity level that is too strict leads to the disappearance of the non-GM product, and that some quality standard benefits farmers. Indeed, the standard that is optimal from the perspective of producers is stricter than what is optimal for consumers and for societal welfare.
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