How far can media undermine democratic institutions and how persuasive can it be in assuring public support for dictator policies? We study this question in the context of Germany before World War II, between 1929 and 1939. First, we estimate the impact of radio signal on voting for the Nazi...

This paper compares electoral outcomes of the 1999 parliamentary elections in Russia among geographical areas with differential access to the only independent from the government national TV channel. It was available to three-quarters of Russia’s population and its signal availability was...

How effective is fact checking in countervailing "alternative facts,'' i.e., misleading statements by politicians? In a randomized online experiment during the 2017 French presidential election campaign, we subjected subgroups of 2480 French voters to alternative facts by the extreme-right...