We introduce ex post participation constraints in the standard sequential screening model. This captures the presence of consumer withdrawal rights as, for instance, mandated by European Union regulation of “distance sales contracts”. With such additional constraints, the optimal contract is...

This paper studies a principal-agent relationship in which either the principal or a supervisor can monitor the agent's hidden action by the use of identical monitoring technologies. The author assumes that signals are private information and commitment to monitoring is not possible. He shows...

The paper studies procurement contracts with pre-project investigations in the presence of adverse selection and moral hazard. To model the procurer's problem, we extend a standard sequential screening model to endogenous information acquisition with moral hazard. The optimal contract displays...