This paper develops a revealed-preference approach that uses budget constrain discontinuities to price workplace safety. We track hourly workers who face the decision of how many hours to work at varying levels of Covid-19 risk and leverage state-specific discontinuities in unemployment...

Does social recognition motivate prosocial individuals? We run large-scale experiments among members of Italy's main blood donors association, testing social recognition both through social media and peer groups. We experimentally disentangle visibility concerns and peer comparisons, and we...

We present a new measure for the political position of news outlets based on politicians' selective sharing of news items. Politicians predominantly share news items that are in line with their political position, hence, one can infer the political position of news outlets from the politicians'...

We study the Gilets jaunes movement, which blocked most of France off in November 2018. We first analyze the complementarity/substitutability between the different forms of mobilization and find that blockades were planned online and later reinforced online activism. Second, we do textual...

Social media has made anonymized behavior online a prevalent part of many people's daily interactions. The implications of this new ability to hide one's identity information remain imperfectly understood. Might it be corrosive to human cooperation? This paper investigates the possibility that a...

Through social media, politicians can personalize their campaigns and target specific groups of voters with an unprecedented precision. We assess the effects of such political micro-targeting by exploiting daily advertising prices on Facebook during the 2016 US presidential campaign. We measure...