In reference to the vertical relationship between two firms in sequence along the production process, which of the following describes a 'downstream' firm?

MCQs on major topics and theories in the field of Industrial Organization. Topics include: Market structure analysis and the strategic behaviors of competing firms, including (but not limited to) product differentiation, collusion, price discrimination, pricing strategy, non-price discrimination (i.e. advertising), horizontal mergers, vertical integration, and vertical restraints.