Using data from 1869-1928, we estimate the effect of party control of state elected offices on the entry, exit, circulation, and content of Republican and Democratic daily newspapers. We exploit changes over time in party control of the governorship and state legislatures in a...

We use data on US newspapers from the early 20th century to study the economic incentives that shape ideological diversity in the media. We show that households prefer like-minded news, and that newspapers seek both to cater to household tastes and to differentiate from their competitors. We...