Collective knowledge is significantly affected by information about others’ viewpoints. However, under what conditions does the “wisdom of crowds” help versus harm knowledge of factual information? In this experiment, we present subjects with the task of answering 50 factual true or false...

Collective knowledge is significantly affected by information about others’ viewpoints. However, under what conditions does the “wisdom of crowds” help versus harm knowledge of factual information? In this experiment, we present subjects with the task of answering 50 factual true or false...

We study the information design for effort maximization in a simultaneous two-player two-type all-pay auction contest environment, where players have private information about their own valuations. Full characterization of the optimal signal crucially rests on the notion of ridge distributions:...

Two contestants informed of their own type compete in a contest, and the organizer ex-ante designs a public anonymous disclosure policy to maximize contestants’ total effort. While a mildly-correlated posterior leads to an efficient equilibrium with maximized surplus, a...