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Relative pricing for ads in online figure sets versus main-article figures

Determine whether advertisers price ads embedded in online figure sets differently from ads embedded in figures within the main article PDF and, if so, quantify the relative pricing to enable accurate revenue modeling for PromoPlot when figures are moved to online supplements.

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Background

To avoid increased page charges from adding many figures, the authors suggest placing numerous PromoPlot-based corner plots in online figure sets. Revenue projections currently assume identical pricing for ads regardless of placement, but the authors lack confirmation from advertisers on whether online supplements command different rates.

Clarifying relative pricing is crucial for accurate cost–benefit analyses and for determining how many corner plots are needed to offset publication fees when using online figure sets.

References

We have not heard back from our advertisers about the relative ad prices for online figure sets, so we will assume they are the same.

— PromoPlot: Covering open-access fees by filling wasted space in corner plots (2503.24254 - Rowan et al., 31 Mar 2025) in Section 3 (Profit Analysis)