information aggregation. Despite this, unanimity is frequently used in committees making decisions on behalf of society. This … rationale for the widespread use of unanimous voting. …

reasoning), but strikingly overestimate their pivotality when voting (contradicting plain lying aversion). That is, committees … committees. Subjects get private signals about the state of world, send binary messages, and finally vote under either majority … truthful messages and sincere voting. A simple one-parameteric generalization of quantal response equilibrium capturing …

distribution with independent marginals then, under weak conditions, voting on the original issues is not optimal. If the marginals … are identical (but not necessarily independent), then voting first on the total sum and next on the differences is often … welfare superior to voting on the original issues. We also provide various lower bounds on incentive efficiency: in particular …