This paper shows that supervision with soft information is valuable whenever supervisors and supervisees collude under asymmetric information and proceeds then to derive an Equivalence Principle between organizational forms of supervisory and productive activities. We consider an organization with an agent privately informed on his productivity and a risk averse supervisor getting signals on the agent's type. In a centralized organization, the principal can communicate and contract with both the supervisor and the agent. However, these two agents can collude against the principal. In a decentralized organization, the principal only communicates and contracts with the supervisor who in turn sub-contracts with the agent. We show that the two organizations achieve the same outcome. We discuss this equivalence and provide various comparative statics results to assess the efficiency of supervisory structures.

We characterize the optimal dynamic contract for a long-term basic service when an uncertain add-on is required later on. Introducing firm risk aversion has two impacts. Profits for the basic service can be backloaded to induce cheaper information revelation for this service: an Income Effect which reduces output distortions. The firm must also bear some risk to induce information revelation for the add-on. This Risk Effect reduces the level of the add-on but hardens information revelation for the basic service. The interaction between these effects has important implications for the dynamics of distortions, contract renegotiation, and the value of incomplete contracts.

What is the most efficient way of designing incentives in an organization? Over the past five decades, agency theory has provided various answers to this crucial question. This line of research suggests that, depending on the organizational context, the optimal approach to providing incentives may involve either relying on collective compensations or, conversely, employing relative performance evaluations. In the first scenario, cooperation among agents is the key aspect of the organization. In the second, competition prevails. This paper provides a comprehensive overview of this extensive literature with the aim of understanding the conditions under which one or the other type of incentive schemes is more desirable for the principal of the organization. To this end, we use a flexible and versatile model capable of addressing a wide range of scenarios characterized by different technologies, information constraints, and behavioral norms.

Document de travail IDEI ; 75 (C13 IDEI 75) Diffusion du document : IDEI Manufacture des Tabacs 21 allées de Brienne 31000 Toulouse (FRA) <br/>75

Contract theory claims that renegotiation prevents attainment of the efficient solution that could be obtained under full commitment. Assessing the cost of renegotiation remains an open issue from an empirical viewpoint. We fit a structural principal-agent model with renegotiation on a set of contracts for urban transport services. The model captures two important features of the industry as only two types of contracts are used (fixed price and cost-plus) and subsidies are greater following a cost-plus contract than following a fixed-price one. We conclude that the welfare gains from improving commitment would be significant but would accrue mostly to operators.