Does the consumption of ideologically congruent news on social media exacerbate
polarization? I estimate the effects of social media news exposure by conducting a large …

The rise of social media has provoked both optimism about potential societal benefits and
concern about harms such as addiction, depression, and political polarization. In a …

This study critically reviews scholarly debates on state aid for independent, professional
news journalism in the public interest, its funding models and principles, the market failure …

We study how social media affects election outcomes in the United States. We use variation
in the number of Twitter users across counties induced by early adopters at the 2007 South …

I study the persuasive effects of slanted language, exploiting a ban on the politically charged
term “illegal immigrant” by the Associated Press (AP) news wire. My empirical strategy …

Donald Trump, the Arab Spring, Brexit: digital media have provided political actors and
citizens with new tools to engage in politics. These tools are now routinely used by activists …

Media censorship is a hallmark of authoritarian regimes. We conduct a field experiment in
China to measure the effects of providing citizens with access to an uncensored internet. We …

We study the political impact of commercial television in Italy exploiting the staggered
introduction of Berlusconi's private TV network, Mediaset, in the early 1980s. We find that …

This paper examines whether propaganda broadcast over radio helped to change
interethnic attitudes in postgenocide Rwanda. We exploit variation in exposure to the …

This paper studies how voters' selective ignorance interacts with policy design by political
candidates. It shows that the selectivity empowers voters with extreme preferences and …