Public administration can be broadly described as the development, implementation and study of branches of government policy. The pursuit of the public good by enhancing civil society, ensuring a well-run, fair, and effective public service are some of the goals of the field.
Public administration is also an academic field. In comparison with related fields such as political science, public administration is relatively new, having emerged in the 19th century. Multidisciplinary in character, it draws on theories and concepts from political science, economics, sociology, administrative law, behavioural science, management and a range of related fields. The goals of the field of public administration are related to the democratic values of improving equality, justice, security, efficiency, effectiveness of public services usually in a non-profit, non-taxable venue; business administration, on the other hand, is primarily concerned with taxable profit. For a field built on concepts (accountability, governance, decentralization, clientele), these concepts are often ill-defined and typologies often ignore certain aspects of these concepts (Dubois & Fattore 2009).
In the United States, the academic field draws heavily on political science and law. Scholars such as John A. Rohr write of a long history behind the constitutional legitimacy of government bureaucracy. In Europe (notably in Britain and Germany), the divergence of the field from other disciplines can be traced to the 1720s continental university curriculum. Formally, official academic distinctions were made in the 1910s and 1890s, respectively.
As a field, public administration can be compared to business administration, and the master of public administration (MPA) viewed as similar to a master of business administration (MBA) for those wishing to pursue governmental or non-profit careers. An MPA often emphasizes substantially different ethical and sociological criteria that are traditionally secondary to that of profit for business administrators. The MPA is related to similar government studies including public affairs, public policy, and political science. Differences often include program emphases on policy analysis techniques or other topical focuses such as the study of international affairs as opposed to focuses on constitutional issues such as separation of powers, administrative law, problems of governance and power, and participatory democracy.
Public administration theory is the domain in which discussions of the meaning and purpose of government, bureaucracy, budgets, governance, and public affairs takes place. In recent years, public administration theory has periodically connoted a heavy orientation toward critical theory and postmodern philosophical notions of government, governance, and power. However, many public administration scholars support a classic definition of the term emphasizing constitutionality, service, bureaucratic forms of organization, and hierarchical government.
Though progress varied across the globe, 16th century Western Europe primarily ascribed to the "national-state" model of government and its corresponding administrative structures. Predominantly imperial Asia, tribal Africa, and the tribal/colonial Americas were each feeling the extent of Europe's diplomatic strategies whose emphasis was war, profit, and proselytizing. In any event, nation-states required a professional force and structure for carrying out the primary purposes of government: ensuring stability with through law, security with a military, and some measure of equity through taxation.
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