Conflicts of Interest in GM Bt Crop Efficacy and Durability Studies

Thomas Guillemaud, Eric Lombaert and Denis Bourguet

PLOS ONE, 2016, vol. 11, issue 12, 1-14

Abstract: Public confidence in genetically modified (GM) crop studies is tenuous at best in many countries, including those of the European Union in particular. A lack of information about the effects of ties between academic research and industry might stretch this confidence to the breaking point. We therefore performed an analysis on a large set of research articles (n = 672) focusing on the efficacy or durability of GM Bt crops and ties between the researchers carrying out these studies and the GM crop industry. We found that ties between researchers and the GM crop industry were common, with 40% of the articles considered displaying conflicts of interest (COI). In particular, we found that, compared to the absence of COI, the presence of a COI was associated with a 50% higher frequency of outcomes favorable to the interests of the GM crop company. Using our large dataset, we were able to propose possible direct and indirect mechanisms behind this statistical association. They might notably include changes of authorship or funding statements after the results of a study have been obtained and a choice in the topics studied driven by industrial priorities.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0167777

DOI: 10.1371/journal.pone.0167777

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