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WHOLESALE PRICE INDEX: 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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Lesson 16: Aggregate Shocks | Unit 2: Extension Page: 4 of 21

Topic: Instability <=PAGE BACK | PAGE NEXT=>

Before getting to the graphs, here are four specific real-world-type issues to illustrate the direction that we're headed with our analysis of instability:
  • Increases in physical wealth, especially consumer durable goods and capital investment, which affect aggregate demand.
  • Changes in monetary policy that affect interest rates, which affect aggregate demand expenditures on durable goods and capital.
  • Technological advances that improve long-run and short-run aggregate supply.
  • Changes in wages and production costs that affect short-run aggregate supply.

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MINIMUM EFFICIENT SCALE

The quantity of production that places a firm at the lowest point on its long-run average cost curve. The minimum efficient scale achieves production of a good at the lowest possible opportunity cost. In other words, it is not possible to produced a good at any lower cost than at the minimum efficient scale. At this quantity the production involves foregoing the least amount of other goods.

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APLS

BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a 50-foot blue garden hose or a turbo-powered vacuum cleaner. Be on the lookout for telephone calls from long-lost relatives.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"There is no point at which you can say, „Well, I'm successful now. I might as well take a nap.¾"

-- Carrie Fisher, actress, writer

ARIMA
Autoregressive Integrated Moving Average
A PEDestrian's Guide
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