We consider a problem of allocating multiple identical objects to a group of agents and collecting payments. Each agent may receive several objects and has quasi-linear preferences with a submodular valuation function. It is known thatWalrasian mechanisms are manipulable. We investigate the...

We consider common-value voting when a variable that is independent of the payoff-relevant state determines the meaning and precision of voters' private signals about the payoff-relevant state. Multiple senders sharing the same objective as the voters receive noisy signals that are contingent on...