R&D Concentration in Soybean and Cotton Markets

Benjamin Anderson and Ian M. Sheldon
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Ian M. Sheldon: The Ohio State University

Review of Industrial Organization, 2024, vol. 64, issue 1, No 5, 93-115

Abstract: Abstract Using data on field trial applications, we estimate the lower bounds to concentration in research and development (R&D) activity for genetically modified (GM) cotton and soybean seed markets in the U.S. We find that both crop types exhibit endogenous costs of entry, which implies that firms respond to increases in market size with escalations of R&D investment, so as to improve product quality rather than permit additional firm entry. The implications of these results are that as markets for GM crop varieties become large, market concentration ratios will remain bounded away from perfectly competitive levels. In subsequent analyses, we adjust the measures of R&D concentration according to merger and acquisition (M&A) activity. We find that accounting for M&A activity increases the fitted lower bound to R&D concentration in both GM cotton and soybean seed markets by increasing the observed levels of concentration in small- and medium-sized submarkets for both crops.

Keywords: R&D; Market structure; Genetically modified; Cotton; Soybean (search for similar items in EconPapers)
JEL-codes: L22 Q16 (search for similar items in EconPapers)
Date: 2024
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Working Paper: R&D Concentration in Soybean and Cotton Markets (2018)
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DOI: 10.1007/s11151-023-09937-7

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