We analyse a newspaper market where media
rms compete for advertising as well as for readership. Firms
rst choose the political position of their newspaper, then set cover prices and advertising tari¤s. We build on the duopoly work in two-sided markets of Gabszewicz, Laussel, and Sonnac (2001, 2002) who show that advertising
nancing can lead to minimum political di¤erentiation. We extend the...