major German media outlets by analyzing tweets of German Members of Parliament (MPs) on Twitter. For each news outlet under … MPs' relative number of Twitter referrals to that outlet. We find that three outlets are positioned on the left, and two …

within-country disparities. We use social-media data - Facebook interests - to construct novel regional measures of patience …

This paper investigates the factors that contributed to the proliferation of online COVID skepticism on Twitter across …-vax sentiment, represented by old "truthers" on Twitter, amplifies online COVID skepticism in local communities. Additionally …

. Analyzing 98,000 scientists on Twitter from 2016 to 2022 reveals significant divergence in expressed political opinions. An …

used to build user profiles and infer preferences. We quantify the extent to which Facebook can track web behavior outside … of their own platform. The network of engagement buttons, placed on third-party websites, lets Facebook follow users as … they browse the web. Tracking users outside its core platform enables Facebook to build shadow profiles. For a …

We study the effects of taxation on the international online advertising market, using data on Facebook ad prices …, Facebook users product preferences and international trade. Our data encompass a de facto increase in the platform's corporate …

-environmental behavior. We implemented a set of randomized campaigns using Facebook ads in the Massachusetts cities of Cambridge and …

We use aggregated data from Facebook to study the structure of social networks across European regions. Social … more connected, likely due to increased migration from poorer to richer regions. We find more socially connected region …