Full Devotion of Top Level Management is difficult at all levels in the Organization. This is often the failure area. Some owners have difficulty in setting goals and simply they do not want to measure them, they believe blindly on the Principals. Further, Organizational objectives may be unclear. Fuzzy objectives lead to confusion in goal setting. Aside from the difficulties (all of which can be overcome), Principal and Agent relationship is the most useful and productive management system if it can develop and it is especially useful for all kind of organizations, which may have limited people and money resources...