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Retail and consumer goods

First-party (1P) versus marketplace (3P)

Selling your own stock versus letting other sellers sell on your platform for a fee.

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What does First-party (1P) versus marketplace (3P) mean?

In a first-party (1P) model, the e-commerce company buys stock, holds it and sells it to shoppers, so it records the full sale as revenue and earns the retail margin, but it carries the inventory risk. In a third-party (3P) marketplace, independent sellers list their goods, and the platform earns commission, fees, advertising and often fulfilment charges, recording only those as revenue. Example: a 100 order in 1P gives 100 of revenue and perhaps 25 of gross profit; the same order in 3P gives 15 of commission revenue, nearly all of it gross profit. Amazon mixes both. In India, foreign direct investment rules allow foreign-owned e-commerce companies to run only the marketplace model.

Where does it come up in case interview prep?