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WPI: The abbreviation for Wholesale Price Index, which is an index of the prices paid by retail stores for the products they would ultimately resell to consumers. The Wholesale Price Index, abbreviated WPI, was the forerunner of the modern Producer Price Index (PPI). The WPI was first published in 1902, and was one of the more important economic indicators available to policy makers until it was replaced by the PPI in 1978. The change to Producer Price Index in 1978 reflected, as much as a name change, a change in focus of this index away from the limited wholesaler-to-retailer transaction to encompass all stages of production. While the WPI is no longer available, the family of producer price indexes provides a close counterpart in the Finished Goods Price Index.

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CONSUMER CONFIDENCE, AGGREGATE DEMAND DETERMINANT

One of several specific aggregate demand determinants assumed constant when the aggregate demand curve is constructed, and which shifts the aggregate demand curve when it changes. An increase in consumer confidence causes an increase (rightward shift) of the aggregate demand curve. A decrease in consumer confidence causes a decrease (leftward shift) of the aggregate demand curve. Other notable aggregate demand determinants include interest rates, federal deficit, inflationary expectations, and the money supply.

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Today, you are likely to spend a great deal of time strolling through a department store seeking to buy either a remote controlled train set or a genuine down-filled snow parka. Be on the lookout for the happiest person in the room.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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