of circulation on advertising demand. Editors choose first the political position, then simultaneously cover prices and … advertising tariffs. We contribute to the literature on two-sided markets by endogenizing the political differentiation of …

We develop a structural econometric framework that allows us to simulate the effects of mergers among two … oligopolistic publishers who choose subscription and advertising prices, while taking the interactions between the two-sides of the …

prices and advertising tariffs. We build on the work of Gabszewicz, Laussel and Sonnac (2001, 2002), whose model we take as …), cover prices are positive and the minimal differentiation outcome does not depend on the size of the advertising market. We … to cooperate in setting cover prices and advertising tariffs but not the editorial line …

and the type of advertisements. Also, advertising demand depends on the number of readers and the distribution of readers … across demographic groups. There are feedback loops because advertising demand depends on the numbers of readers, which again … depends on the amount of advertising, and so on. Due to the difficulty in dealing with such feedback loops when publishers set …

We analyse the effects of the advertising ban on French public television, which came into effect on the 5th of January … 2009. The ban forbids commercial advertising on public TV in the time slot 20.00-6.00. By using a difference …-in-difference approach we show that advertising which was previously broadcasted on public TV in the time slot 20.00-6.00 did not switch to …