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AGGREGATE DEMAND DETERMINANTS: An assortment of ceteris paribus factors that affect aggregate demand, but which are assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate demand curve to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate demand curve. If any determinant affects aggregate demand it MUST affect one of these four expenditures.
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SIGNALLING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Signalling is used by those with more information to reduce the cost of informing those with less information. It is commonly used in markets with adverse selection. Methods of signalling include advertising, brand names, and warranties. A related method is screening.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a microwave over that won't burn your popcorn or a T-shirt commemorating the first day of winter. Be on the lookout for pencil sharpeners with an attitude.
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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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"Give the American people a good cause, and there's nothing they can't lick. " -- John Wayne, actor
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IBT
Indirect Business Taxes
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