We customize the aggregative game approach to oligopoly to study asymmetric media markets. Advertiser, platform, and … consumers we establish see-saws between consumers and advertisers. Entry of a lower-quality platform increases consumer surplus …, but decreases advertiser surplus if industry platform profits decrease with entry. Merger decreases consumer surplus, but …

economic theory prescribes that the advertising volume can be optimally reduced by levying a tax on ads. However, making use of … recent advances in the theory of Industrial Organization and two-sided markets we show that taxing ads may be …

, accounting for multi-homing helps to recognize complementarity between products; on the advertising side, it allows to measure to … what extent advertising demand depends on the shares of exclusive and overlapping readers. …

, accounting for multi-homing helps to recognize complementarity between products; on the advertising side, it allows to measure to … what extent advertising demand depends on the shares of exclusive and overlapping readers. …

losses in a class of utility functions. We offer a formula to find the percentage of welfare losses due to oligopoly in this …

Including the entry decision in a Bertrand model with imperfectly informed consumers, we introduce a trade-off at the … detrimental effect on consumer surplus and on social welfare. -- Market transparency ; endogenous entry ; homogenous products …

, magazines, newspapers, the Internet, and television (the illustrative example henceforth). Most advertising expenditures are … incurred for these media. They are also mainly supported by advertising revenue. Early work stressed possible market failures … sides are coordinated by broadcasters (or “platforms”) that choose ad levels and program types, and advertising finances the …

This chapter focuses on the economic mechanisms at work in recent models of advertising finance in media markets …, and to clarify the conceptual aspects. The chapter first develops a canonical model of two-sided markets for advertising … advertising markets, and concrete issues such as congestion and second-degree discrimination. The second part is devoted to recent …

Economic analysis of competition regulation is most developed in the domain of horizontal mergers, and modern agency … standard models, and more broadly to diverge with how economic analysis of proposed mergers should be and often is conducted …, fails to draw on the most relevant fields of economics; entry is often a misanalyzed afterthought; official information …

CSR as an entry deterrent. Both results indicate that CSR may increase market concentration. Third, we consider …