The standard agency model assumes that the agent does not care how his decisions influence others. This is a strong assumption, which we relax. We find that, although monetary incentives are effective also with sociallyattentive agents, the principal may optimally set none. This could explain...

In this paper, a principal's decision between delegating two tasks or handling one of the two tasks herself is analyzed. We assume that the principal uses both, formal contracts and informal agreements sustained by the value of future relationships (relational contracts) as incentive device. It...

We solve a long-term contracting problem with symmetric uncertainty about the agent's quality, and a hidden action of the agent. As information about quality accumulates, incentives become easier to provide because the agent has less room to manipulate the principal's beliefs. This result is...