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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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PRICE INDEX A measure of the average of a group of prices calculated as a ratio to prices in a given time period (that is, a base year). A price index is primarily used to compare relative prices, or changes in the group prices over time. Such an index is a handy indicator of overall price trends. Two common price indexes that surface in the study of macroeconomics are the Consumer Price Index (CPI) and the GDP price deflator. Both are used to indicate the macroeconomy's average price level and to estimate the inflation rate. The Dow Jones Industrial Average (the Dow), Standard & Poor's 500, and the NASDAQ are well-known indexes of stock market prices.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers hoping to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"Enthusiasm is the greatest asset in the world. It beats money and power and influence. It is no more or less than faith in action. " -- Henry Chester, Writer
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TSP
Time Series Econometrics (software)
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