Extract to table

If customers would respond to such a price increase by switching to products outside the candidate market in sufficient numbers to render the price increase unprofitable, then the candidate market is too narrow and must be expanded to include the substitute products

If, in response to such a take-rate increase, a sufficient number of sellers would divert their sales volume to alternative channels — including direct-to-consumer e-commerce platforms, social commerce channels, aggregator platforms, or even offline retail — to render the take-rate increase unprofitable, then the FTC's proposed market is too narrow and must be expanded to include those alternative channels

As discussed in Section VI below, marketplace platforms are quintessential two-sided transaction platforms in which sellers and buyers interact simultaneously, and the relevant market must account for competition on both sides of the platform

The market must therefore be expanded to include all e-commerce retail channels

486, 494–96 (1974) (noting that market shares are relevant indicators of competitive significance but must be assessed in context); FTC v

The Court held that for two-sided transaction platforms — platforms that "facilitate a single, simultaneous transaction between participants" on both sides — the relevant market must encompass both sides of the platform because "the two sides are interlinked" and "changes on one side of the platform" necessarily "affect[] the other side