We consider a productive network formed by agents with heterogeneous privately-known productivity types. Under convex cost of link formation, bilateral links create endogenous externalities. We calculate the "rearrangement cost" imposed on the entire network by each subset of other agents an...

Questions about market power have become salient in macroeconomics. We consider the role of institutional structures in addressing these within a dynamic general equilibrium framework. Standard models account for monopoly profits as a lump-sum transfer to the representative agent. We label this...