There is an economic aspect to almost any topic one can think of - EducatioN?, ReLigion, PoLitics, employment, trasport, defence, etc. EconomicS is, therefore,a comprehensive theory of how society works.
One of the guiding ideas in EconomicS is scarcity. Virtually everything is scarce; there are not enough resources around world to satisfy humanity. It is not only the poor who feel deprived; even the relatively well-off seem to want more. It is the economists job to evaluate the choices that exist for the use of those resources.
The major divisions of EconomicS include MicroeconomicS, which deals with the behaviour of individual consumers, companies, traders, and farmers; and MacroeconomicS, which focuses on aggregates such as the level of income in an economy, the volume of total employment, and the flow of investment. Another branch, DevelopmentEconomics?, investigates the history and changes of economic activity and organization over a period of time, as well as their relation to other activities and institutions. Within these three major divisions there are specialized areas of study that attempt to answer questions on a broad spectrum of human economic activity, including public finance, money supply and banking, international trade, labour, industrial organization, and AgriculturE?. The areas of investigation in EconomicS overlap with other social sciences, particularly PoliticalScience?, but EconomicS is primarily concerned with relations between buyer and seller.
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