International energy economic analysis frequently involves conversion of all monetary figures to a single currency, typically the US dollar. This can cause significant variation in estimation of values that change over time such as learning rates for new energy technologies.
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Smith, S.J. Careful currency conversion. Nat Energy 5, 14–15 (2020). https://doi.org/10.1038/s41560-019-0539-3
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DOI: https://doi.org/10.1038/s41560-019-0539-3
