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AGGREGATE DEMAND DETERMINANT: A ceteris paribus factor that affects aggregate demand, but which is 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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Lesson 6: Market Supply | Unit 1: Selling Basics
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The concept of supply parallels the concept of demand. It too is fundamental to the study of the market and economics. It is the second of the two sides of the market that we'll study. A definition: Supply is the willingness and ability to sell a range of quantities of a good at a range of prices, during a given time. Like demand we have three points: - Willingness and ability.
- Range of quantities and prices.
- A given time period.
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ASYMMETRIC INFORMATION Information is not equally available to everyone. Asymmetric information results because efficient information search inevitably stops short of compete information. Some people obtain more benefits from information than others, are willing to incur higher search costs, and thus end up knowing more. Or they incur lower information search costs and have easier access to the information. In a market, sellers tend to have more information about the good than buyers. Asymmetric information gives rise to adverse selection, moral hazard, and the principal-agent problem. These problems can be lessened through signalling and screening.
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RED AGGRESSERINE [What's This?]
Today, you are likely to spend a great deal of time at the confiscated property police auction looking to buy either clothing for your pet dog or an ink cartridge for your printer. Be on the lookout for the last item on a shelf. Your Complete Scope
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"It takes generosity to discover the whole through others. If you realize you are only a violin, you can open yourself up to the world by playing your role in the concert. " -- Jacques Yves Cousteau, marine explorer
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ARIMA Autoregressive Integrated Moving Average
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