From greedy grocers to carbon taxes and everything in between:
2024
Brian Pentz | Taylor Ehrlick | Ryan Katz-Rosene | Philip A Loring
In Canada, the task of explaining food prices falls to a handful of grey literature reports that shape media coverage and public understanding and carry significant political and policy influence. We performed an in-depth analysis of fifty-one of these influential reports, including thirty-nine reports by Statistics Canada (including Consumer Price Index reports and other studies) and twelve reports from the Canada Food Price Report (CFPR) series. Our goal was twofold: 1) to identify and classify the various explanations given for food price changes, and 2) to evaluate the scientific rigor of these explanations. We identified 232 total explanations for food price changes, spread across seven thematic categories and thirty-two sub-categories. We find that most claims made in these reports are scientifically incomplete (only 28.6% of all claims meet established criteria for the completeness of scientific arguments). We also identify a lack of comprehensiveness in the areas of emphasis and the claims being presented and drivers being explored, particularly with respect to issues presently at the centre of food price discourse in Canada, such as the agency of grocers and other supply chain actors, corporate growth imperatives, and climate change. Considering the importance of food prices and food security to prosperity and well-being in Canada, we conclude with a series of recommendations for strengthening the scientific rigor of these reports, including greater inclusion of supporting evidence, opportunities for peer review, and increased transparency regarding conflicts of interest and funding sources.
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