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,...

I consider a two-dimensional job market signaling model in which firms care about a worker's personal network as well as his technical productivity, and a worker can choose both academic activity and social activity to signal his ability. In a simple model where the social activity forming a...

In this paper, we consider the network as an alternative communication channel to undirected advertising in the market. The main distinctive feature of the network-embedded transaction is the interdependency of buyers' purchasing behavior. Since most transactions in a network are made...