Aggregate Demand Essay

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Economics Aggregate Demand 3. Define and explain the main components of Aggregate Demand. Aggregate demand is the total demand for final goods and services in the economy at a given time and price level. National expenditure is one of the three ways of calculating national income which is usually measured as GDP. Aggregate demand is made up of four components, Consumption (C), Investment (I), Government Spending (G), and Exports minus Imports (X-M). Consumption is the spending by households on goods and services. Consumption or consumers' expenditure is the most important component of aggregate demand. It accounts for about 67% of UKs aggregate demand. It is the amount of money spent by individuals on durable goods such as PCs and cars, non-durable goods such as hair gel, food and drinks, and services such as the Internet and insurance. Investment is the production time of goods which are not consumed but are to be used for future production. Examples include tangibles (such as building a railroad or factory) and intangibles (such as a year of schooling or on-the-job training). Government spending or government expenditure is classified into three main types. Government purchases of goods and services for current use are classed as government consumption. Government purchases of goods and services intended to create future benefits, such as infrastructure investment or research spending, are classed as government investment. Government expenditures that are not purchases of goods and services, and instead just represent transfers of money, such as social security payments, are called transfer payments. Government spending can be financed by seigniorage, taxes, or government borrowing. An export is any good or commodity, transported from one country to another country in a legitimate fashion, typically for use in trade. Export goods or services are provided to

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