advertising receipts. We show that this induces the editors of the newspapers to moderate the political message they display to …

We analyse the rivalry between two TV-channels competing both on the market for audience and the market for advertising …. We identify the nature of TV-programs emerging from this competition, and the quantity of advertising that TV …

In this paper we consider a two-stage duopoly game where firms first decide whether to invest in advertising and then … compete in prices. Advertising has two effects: a market enlargement for both firms and a predatory gain for the investing … investment in advertising and that strong product substitutability may induce a coordination problem. …

characterize both the competitive and the monopoly market outcomes. When there are two types of risk, the monopoly dominates … competition is less trivial. In effect monopoly is shown to provide better insurance but at the cost of driving out some agents … from the market. Performing simulation for different distributions of risk, we find that monopoly in general performs (much …

, 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 …