Media market structures are changing constantly. Traditional media outlets such as newspapers are being hard-hit by the digitalization of content, causing market exit and long-term consolidation in many countries. Competition policy in media markets is not only concerned with this trend because...

Standard media economics models imply that increased platform competition decreases ad levels and that mergers reduce per-viewer ad prices. The empirical evidence, however, is mixed. We attribute the theoretical predictions to the combined assumptions that there is no advertising congestion and...