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SHORT-RUN AGGREGATE MARKET: A macroeconomic model relating the price level and real production under the assumption that SOME prices inflexible, especially resource prices. The short-run aggregate market isolates the interaction between aggregate demand and short-run aggregate supply. The key assumption of this model is that SOME prices, especially resource prices, are flexible. The primary result of this model is that the economy can achieve short-run equilibrium at real production that is either greater than or less than full-employment.
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Lesson 7: Market | Unit 1: The Exchange
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Page: 3 of 22
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Competition (especially our fourth rule of competition) brings out the best among buyers and sellers, that is, efficient use of resources.- Competition among sellers forces them to supply the most wanted products at the lowest resource cost.
- Competition among buyers forces them to spend their limited incomes on the most satisfying goods.
- Less competition among sellers than among buyers lets the sellers charge higher prices.
- Less competition among buyers than among sellers lets the buyers pay lower prices.
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CONSTANT RETURNS TO SCALE A given proportional change in all resources in the long run results in the same proportional change in production. Constant returns to scale exists if a firm increases ALL resources--labor, capital, and other inputs--by 10 percent, and output also increases by 10 percent. This is one of three returns to scale. The other two are increasing returns to scale and decreasing returns to scale.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway hoping to buy either a large, stuffed kitty cat or a cross-cut paper shredder. 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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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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"Man is born to live, not to prepare for life. " -- Boris Pasternak, writer
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MPP
Marginal Physical Product
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