We consider a committee facing a binary decision under uncertainty. Each member holds some private information. Members may have different preferences and initial beliefs, but they all agree which decision should be taken in each of the two states of the world. We characterize the optimal...

We consider a committee facing a binary decision under uncertainty. Each member holds some private information. Members may have different preferences and initial beliefs, but they all agree which decision should be taken in each of the two states of the world. We characterize the optimal...

to the Handbook on Approval Voting -- History of Approval Voting -- Acclamation Voting in Sparta: An Early Use of Approval Voting -- Going from Theory to Practice: The Mixed Success of Approval Voting -- Axiomatic Theory -- Collective Choice for Simple Preferences -- Axiomatizations of Approval...