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CHANGE IN AGGREGATE EXPENDITURES: The movement along an aggregate demand curve caused by a change in the price level. This should be contrasted directly with a change in aggregate demand. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in aggregate expenditures means that we have identified a NEW level of expenditures on the existing aggregate demand curve. In contrast, a change in aggregate demand means that we have changed, moved, or shifted, the entire aggregate demand curve, the whole range of price levels and aggregate expenditures has changed.
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PRODUCT DIFFERENTIATION Slight differences that exist between two or more goods that are essentially the same and which satisfy the same basic want or need. This is generally pursued in monopolistic competition and oligopoly by firms seeking to increase sales and profit. Many of the best known businesses in the economy practice product differentiation to gain an advantage on the competition and to acquire a bit of market control. For example, Coca-Cola and Pepsi-Cola are very similar, but each has a few differences in terms of taste, packaging, and esteem.
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ORANGE REBELOON
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale trying to buy either a replacement remote control for your television or a replacement nozzle for your shower. 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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"Courage is the ladder on which all the other virtues mount." -- Claire Boothe Luce, diplomat, writer
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MPI
Marginal Propensity to Invest
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