Press Advertising and the Political Differentiation of Newspapers


Jean J. Gabszewicz CORE, Université catholique de Louvain, Voie du Roman Pays 34, 1348 Didier Laussel Didier Laussel, LEQAM, Université d’Aix-Marseille II, F-3290 Les Milles, Nathalie Sonnac Nathalie Sonnac, Université de Paris II and LEI-CREST, F-75006 Paris,


The press industry depends in a crucial way on the possibility of financing an important fraction of its activities by advertising receipts. We show that this may induce the editors of the newspapers to moderate the political message they display to their readers, compared with the political opinions they would have expressed otherwise.