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PHYSICAL WEALTH, AGGREGATE DEMAND DETERMINANT: One of several specific aggregate demand determinants assumed constant when the aggregate demand curve is constructed, and that shifts the aggregate demand curve when it changes. An increase in the physical wealth causes a decrease (leftward shift) of the aggregate curve. A decrease in the physical wealth causes an increase (rightward shift) of the aggregate curve. Other notable aggregate demand determinants include interest rates, federal deficit, inflationary expectations, and the money supply.
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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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Today, you are likely to spend a great deal of time strolling through a department store wanting to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for a thesaurus filled with typos.
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The first paper notes printed in the United States were in denominations of 1 cent, 5 cents, 25 cents, and 50 cents.
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"How wonderful it is that nobody need wait a single moment before starting to improve the world." -- Anne Frank
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AER
American Economic Review
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