Using food prices to assess climate change impacts on food security is misleading. Differential impacts on income require a broader measure of household well-being, such as changes in absolute poverty.
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The author acknowledges research assistance from German A. Marquez Alcala, and comments on an earlier draft by Noah Diffenbaugh, Wally Falcon, Derek Headey, Kayenat Kabir, David Lobell, Will Martin, Michael Mastrandrea and Alexander Popp. Funding for climate impacts work was received under DOE Grant No. DE-SC005171.
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Hertel, T. Food security under climate change. Nature Clim Change 6, 10–13 (2016). https://doi.org/10.1038/nclimate2834
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