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. …

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 …

journals are determined endogenously in the first stage of the game. We show that when the advertising revenues per reader …

, 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 …