This paper provides a theoretical model for explaining the separation of ownership and control in firms. An entrepreneur hires a worker, whose effort is necessary for running a project. The worker's effort determines the probability that the project will be completed on time, but the worker...

We analyze the contracting structure in a moral hazard setting with several agents whereoutput is produced jointly and is the only contractible variable. Since the salary of each agentis a function of all agents efforts, a positive externality arises between them. This externalityis not...