We study experimentally the effectiveness of communication in common value committees exhibiting publicly known …

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 …

Theory predicts that committees of experts may take decisions that look good but are bad and that they show a united … front to impress evaluators. Although evaluators see through this behavior, committees persist in it only to avoid worse … of committees, words speak louder than costly decisions. Evaluators pick this up. Orthogonality tests show that …

, political attitude, gender and intelligence have a small but sometimes significant influence on voting. …

impact of the voting procedure, no information about the cooperation history is provided. In line with existing empirical …

There are many situations in which different groups make collective decisions by committee voting, with each group … represented by a single person. A natural question is what voting system such a committee should use. Concepts based on voting … the choice of voting systems based on such theoretical concepts, in this paper, I ask which systems individuals actually …

ask if decision makers are blamed for being pivotal if they implement an unpopular outcome in a sequential voting process …. We conduct an experimental voting game in which decision makers vote about the allocation of money between themselves and … recipients without voting rights. We measure responsibility attributions for voting decisions by eliciting the monetary …