Strong evidence has been emerging that major democracies have become more politically polarised, at least according to measures based on the ideological positions of political elites. We investigate whether the general public (`citizens') followed the same pattern. To this end, we propose a...

This paper investigates the link between social media and hate crime. We show that anti-refugee sentiment on Facebook predicts crimes against refugees in otherwise similar municipalities with higher social media usage. To establish causality, we exploit exogenous variation in the timing of major...

We propose a new method for measuring gender and ethnic stereotypes in news reports. By combining computer vision and natural language processing tools, the method allows us to analyze both images and text as well as the interaction between the two. We apply this approach to over 2 million web...

Are retaliatiory tariffs politically targeted and, if so, are they effective? Do countries designing a retaliation response face a trade-off between maximizing political targeting and mitigating domestic economic harm? We use the recent trade escalation between the US, China, the European Union...