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Economics
The term economics refers both to an intellectual discipline and to a profession.
The intellectual discipline of economics is an attempt to gain an understanding of the processes that govern the production, distribution and consumption of wealth, and to use that understanding to assist in the prediction of the consequences of economic activities. It uses the methodology of science and can be considered to be a science insofar as it produces testable propositions (see economics as a science), although some branches of the subject are widely considered to be normative (see normative economics). Like other sciences, it is subject to a continuing process of revision.
The profession of economics includes academics[1] who construct, develop and teach economic theory, and practitioners who use economic theory to make forecasts or to advise upon political, commercial and regulatory decisions. Its most influential application is to the management of the economy. Mistaken decisions in that context can do more damage than in most others.
The methodology of economics
The traditional methodology of economics has been first to formulate a theory, and then to examine how far it provides operationally useful conclusions. Its pioneers have often adopted an instrumentalist approach: basing a theory on arbitrary axioms - such as consistently rational human behaviour - and then advocating its acceptance solely on the grounds that it had provided operationally useful results. That methodology has proved to be vulnerable to changing conditions, however, and there has recently been a tendency to move away from an exclusively axiom-based approach towards a greater recognition of observed behaviour. Among the techniques that have been coming into use for that purpose are those of behavioural economics and neuroeconomics.
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