concerted practice(Concerted Practice. Co-ordination between undertakings which, without having reached the stage of concluding a formal agreement, have knowingly substituted practical co-operation for the risks of competition.)
concertation(пример: ...holding that "if it cannot be established that a travel agency was aware of that message, its participation in a concertation cannot be inferred from the mere existence of a technical restriction implemented in the system at issue... , unless it is established on the basis of other objective and consistent indicia that it tacitly assented to an anticompetitive action" A.Rezvov)
