Operators of the enterprises hope that their own benefit is maximized.But utility maximization goal between the owner and the operator is often inconsistent.

• 但所有者与经营者的效用最大化目标往往是不一致的,因此,所有者必须设计一个经营者能够接受的契约,使所有者与经营者的效用都达到最大化水平。