ntr131-C_202401645EN.000101-E0131
COMMUNICATION FROM THE COMMISSION Commission Notice on the definition of the relevant market for the purposes of Union competition law · European Union
(131) This refers to the decision by users to use one platform for a given product (single-homing) or use multiple platforms in parallel for the same product (multi-homing). In some cases, homing decisions by users on one side of the platform affect the available alternatives to interact with those users by users on other sides of the platform, and thus the substitution possibilities on the latter sides of the platform.
Source: EUR-Lex (Cellar) · retrieved 2026-09-25 · Text as adopted (Official Journal); later amendments are not incorporated in this text.