Public administration can be broadly described as the development, implementation and study of branches of government policy . Public administration is linked to pursuing the public good by enhancing civil society and social justice . Though public administration has historically referred to as government management, it increasingly encompasses non-governmental organizations (NGOs) that are not acting out of self-interest. The history of public administration The evolution of the theory of Public Administration can be classified into six "generations": one pre-generation and five succeeding generations. The pre-generation The pre-generation includes thinkers such as Plato , Aristotle and Machiavelli . Until the birth of the national state , the emphasis lay principally on the problems of moral and political nature, and on the organization of the public administration. The operation of this administration was a less urgent problem. Machiavelli wrote the book The ...