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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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LONG-RUN INDUSTRY SUPPLY CURVE

The relation between market price and the quantity supplied by all firms in a perfectly competitive industry after the industry has completed its long-run adjustment. The long-run industry supply curve effectively traces out a series of equilibrium prices and quantities that reflect long-run adjustments of a perfectly competitive industry to demand shocks. This long-run adjustment can take one of three paths, indicating an increasing-cost industry, a decreasing-cost industry, and a constant-cost industry.

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Today, you are likely to spend a great deal of time flipping through mail order catalogs hoping to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for door-to-door salesmen.
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Three-forths of the gold mined each year is used to manufacture jewelry.
"Be willing to have it so. Acceptance of what has happened is the first step to overcoming the consequences of any misfortune."

-- William James, Psychologist

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American Assocation of Commodity Traders
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