Case C-450/19: Judgment of the Court (Second Chamber) of 14 January 2021 (request for a preliminary ruling from the Korkein hallinto-oikeus — Finland) — Proceedings initiated by Kilpailu- ja kuluttajavirasto (Reference for a preliminary ruling — Competition — Article 101 TFEU — Agreements, decisions and concerted practices — Manipulation of the bidding procedure — Determination of the duration of the infringement period — Inclusion of the period during which the cartel members implemented the anticompetitive agreement — Economic effects of anticompetitive behaviour — Cessation of the infringement on the definitive award of the contract)