Though a large literature on the determinants of turnout has flourished, there is scant evidence on the causal impact of turnout on policies implemented in practice. Using data on French municipalities and instrumental variables for turnout based on temperature and influenza variations, we show...

Members of groups and organizations often have to decide on rules that regulate their contributions to common tasks. They typically differ in their propensity to contribute and often care about the image they project, in particular want to be perceived by other group members as being high...

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...