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...

Firms sometimes have problems with their products or management systems, problems that can lead to catastrophic events. Often, workers in such firms are aware of these problems but fail to report them to their superiors. This paper examines workers' incentives for concealing problems within an...

We consider a common-value voting in which the state of the nature is a pair of payoff-relevant state and a variable that determines the precision and the meaning of voters' private signals. Each voter receives noisy signals about both of the states. When the number of voters is sufficiently...