We use a multi-task principal-agent model with moral hazard to study environmental regulation of a private agent by an EPA that can also allocate its budget to an alternative project with environmental benefits. In a first possible optimum, the EPA imposes a flat fine that exhausts the agent's...

This paper verifies the robustness of Dixit's claim that common agency problems in the public sector can be solved by restrictions on the incentive schemes that government agencies can develop for the subordinates of other departments. In our model, the outside principal (for instance, an...