We use aggregated data from Facebook to study the structure of social networks across European regions. Social connectedness declines strongly in geographic distance and at country borders. Historical borders and unions - such as the Austro-Hungarian Empire, Czechoslovakia, and East/West Germany...

Over the past decade, social media platforms have emerged as prominent vehicles for displaying dissent. In response, various actors have increasingly spread fake news on these platforms to impair the opposition--the (dis)information war. We analyze a methodology to identify disinformation using...

This paper provides novel evidence that female U.S. House Representatives causally increase the U.S. government's demand for products and services provided by female entrepreneurs. Using detailed data on individual contracts between the U.S. federal government and private firms around close U.S....