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In economics, output is the quantity and quality of goods or services produced in a given time period, within a given economic network, [1] whether consumed or used for further production. [2] The economic network may be a firm, industry, or nation. The concept of national output is essential in the field of macroeconomics.
Gross domestic product (GDP) is defined as "the value of all final goods and services produced in a country in 1 year". [3] Gross national product (GNP) is defined as "the market value of all goods and services produced in one year by labour and property supplied by the residents of a country." [4]
Consumption is the act of using resources to satisfy current needs and wants. [1] It is seen in contrast to investing, which is spending for acquisition of future income. [2] Consumption is a major concept in economics and is also studied in many other social sciences. Different schools of economists define consumption differently.
Aggregate income [1] [2] [3] is the total of all incomes in an economy without adjustments for inflation, taxation, or types of double counting. [4] Aggregate income is a form of GDP that is equal to Consumption expenditure plus net profits.
The production side report also begins with individuals and families, in this case, their personal consumption expenditures on goods and services, C in the definition. Durable goods are expected to last more than a year (furniture, appliances, cars, etc.) and to have little or no secondary resale market.
After computing the price of each basket in 1900 and today, the inflation over the time period is an average of the increase in the two baskets. A common usage of this two-basket-averaging is the GDP deflator , where the basket contains every good produced in the economy at a given point in time.
Graphical representation of the consumption function, where a is autonomous consumption (affected by interest rates, consumer expectations, etc.), b is the marginal propensity to consume and Yd is disposable income. In economics, the consumption function describes a relationship between consumption and disposable income.
Gross domestic product (GDP) is a monetary measure of the market value [2] of all the final goods and services produced and rendered in a specific time period by a country [3] or countries. [4] [5] [6] GDP is often used to measure the economic health of a country or region. [3]