How do voting institutions affect incentives of committees to vote expressively? We model the problem of a committee, whose members have different depths of reasoning, that decides whether to approve an ethical proposal. Members who vote for the proposal receive expressive utility, but all...

A committee chooses whether to approve a proposal that some members may consider ethical. Members who vote for the proposal receive expressive utility, and all pay a cost if the proposal is accepted. Committee members have different depths of reasoning. The model predicts that features that...

Political agents often attempt to influence elections through "troll farms" that flood social media platforms with messages from fake accounts that emulate genuine information. We study the ability of troll farms to manipulate elections. We show that such disinformation tactics is more effective...