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Price elasticity on Amazon marketplaces

Most Amazon pricing decisions are still made without measurement.

Media is attributed to the cent. Content is A/B-tested. But where deal funding goes, whether a cost increase gets passed on and how deep a promo cuts are still decided on instinct. This site measures them, one category at a time.

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One category each, newest first.

Hand soapsamazon.deQ3 2026

Hand soaps: price moves rank here, but only just

The weak end of the series: price effects exist in both directions, at roughly a fifth of what the strong categories show, in a market that answers in weeks.

cuts 0.19 [0.03 to 0.47] · increases 0.24 [0.08 to 0.42] · reliable

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The Quarterly · Q3 2026

Q3 2026: Beauty & Personal Care

Twelve categories on amazon.de, measured the same way, in one document. The collection puts them side by side and asks what holds across all of them.

Categories measured
12
Usable price changes
33,984
Pages
31

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The Q4 2026 Quarterly on consumer electronics accessories appears in January.

Cover of Q3 2026: Beauty & Personal Care

The Monthly

Each weekly report measures a single category. The Monthly is where they get compared. One subscription: The Monthly every month and the Quarterly every three months.

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