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AGGREGATE DEMAND: The total (or aggregate) real expenditures on final goods and services produced in the domestic economy that buyers would willing and able to make at different price levels, during a given time period (usually a year). Aggregate demand (AD) is one half of the aggregate market analysis; the other half is aggregate supply. Aggregate demand, relates the economy's price level, measured by the GDP price deflator, and aggregate expenditures on domestic production, measured by real gross domestic product. The aggregate expenditures are consumption, investment, government purchases, and net exports made by the four macroeconomic sectors (household, business, government, and foreign).
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FIXED INPUT An input whose quantity cannot be changed in the time period under consideration. The relevant time period is usually termed the short run. The most common example of a fixed input is capital. The alternative to fixed input is variable input. A fixed input, such as capital, provides the "capacity" constraint for the short-run production of a firm. A variable input, such as labor, provides the means of changing short-run production. As larger quantities of a variable input are added to a fixed input, the variable input becomes less productive, which is the law of diminishing marginal returns.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a wall poster commemorating the moon landing or storage boxes for your winter clothes. Be on the lookout for celebrities who speak directly to you through your television.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"The first responsibility of a leader is to define reality. " -- Max DePree, executive
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CPI-U
Consumer Price Index-All Urban Consumers
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