We customize the aggregative game approach to oligopoly to study asymmetric media markets. Advertiser, platform, and consumer surplus are tied together by a simple summary statistic. When media are ad-financed and ads are a nuisance to consumers we establish see-saws between consumers and...

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...

This paper has two objectives. First, we present the logit model of discrete consumer choice and apply it to an oligopoly model of product differentiation. Second, we reconsider the question of monopolistic competition and optimal product diversity. The model suggests that when the market...