All questions Antitrust: restrictive agreements and dominance As previously indicated, the Act prohibits agreements, concerted practices and trade association decisions, including cartels, whose object or effect is to restrict competition.31 It also prohibits undertakings in a position of dominance from abusing their position.32 Abusive conduct includes imposing, directly or indirectly, unfair purchase or sale prices or other unfair trading conditions, limiting production, markets or...