Using a randomized experiment in the context of the 2019 European elections in France, we study how fact-checking affects real sharing of “alternative facts” (false or misleading statements by politicians) on Facebook and the determinants of the decision to view the fact-checking. We expose...

It is now well documented that individuals tend to change their behavior when their actions are observed by others. Yet there is no systematic way of measuring this dimension of preferences at the individual level. In this paper, we propose a novel experimental game to measure individual...

We study how cooperation-enforcing institutions dynamically affect values and behavior using a lab experiment designed to create individual specific histories of past institutional exposure. We show that the effect of past institutions is mostly due to “indirect” behavioral spillovers:...

Exclusive patents sacrifice product competition to provide firms incentives to innovate. We characterize an alternative mechanism whereby later inventors are allowed to share the patent if they discover within a certain time period of the first innovator. These runner-up patents may reduce the...