This article studies a principal-agent problem with discrete outcome and effort space. The principal and the agent are risk neutral and the latter is subject to limited liability. For a given monitoring technology, we consider the maximum possible ratio between the first best social welfare to...

This paper studies a principal-agent model in which the principal and agent are risk-neutral, there are two actions, adverse selection, moral hazard and limited liability. When the two actions are subject to moral hazard, there is no distortion at the top, the optimal action profile is downward...

This article studies a principal-agent problem with discrete outcome and effort level spaces. The principal and the agent are risk neutral and the latter is subject to limited liability. We consider the ratio between the first-best social welfare and the social welfare arising from the...