Topic

Marketplace economics

Unit economics, external traffic, and experiments that distinguish revenue growth from profit growth.

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Articles in this topic

The first issue contains one foundational article. Related topics are available through recommendations at the end of the article.

MarketplacesJuly 26, 2026 · 10 min

External traffic to marketplaces: when it increases profit

A visit from VK, Telegram, or a blog is not yet a sale, and an order is not yet profit. External media buying should begin only after calculating margin, attribution, and a control group.

Essence
External traffic pays off when the listing already converts and the channel's contribution is measured through to a completed purchase.
Risk
Revenue growth masks commissions, logistics, returns, discounts, and organic sales that would have happened without advertising.
Action
Calculate the economics of one completed purchase and run short tests for one source and product at a time.
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