Why Do We Study Public Policy?

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Why do we study Public Policy? Why should political scientists devote greater attention to the study of public policy? First of all, public policy can be studied for purely scientific reasons: understanding the causes and consequences of policy decisions improves our knowledge of society. Public Policy can be views as a dependent variable, and we can ask what socioeconomic forces and political system characteristics operate to shape the content of policy. Alternatively, public policy can be viewed as an independent variable, and we can ask what impact public policy has on society and its political system. By asking such questions we can improve our understanding of the linkages between socioeconomic forces, political processes, and public policy. An understanding of these linkages contributes to the breadth, significance, reliability, and theoretical development of social science. Public policy can also be studied for professional reasons: understanding the causes and consequences of public policy permits us to apply social science knowledge to the solution of practical problems. Factual knowledge is a prerequisite to prescribing for the ills of society. If certain ends are desired, then the question of what policies would best implement these ends is a factual question requiring scientific study. In other words, policy studies can produce professional advice, in terms of “if…then…” statements, about how to achieve desired goals. Finally, public policy can be studies for political purpose: to ensure that the nation adopts the “right” policies to achieve the “right” goals. It is frequently argued that political science should not be silent or impotent in the face of great social and political crises, and that political scientists have a moral obligation to advance specific public policies. An exclusive focus on institutions, processes, or behaviors is frequently
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