We model a hierarchy consisting of possibly corrupted agents who process information, and consider the problem of designing the efficient hierarchy structure and configuring the agents who differ in their honesty. If the only role of agents is to report the information to their direct superior,...

In this paper, we consider the network as an alternative trading environment to the market. The main distinctive feature of the network transaction is the dependence of buyers' purchasing behavior, which makes all consumers not equally valuable to a seller. We characterize the optimal behavior...