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AGGREGATE EXPENDITURES: The total expenditures on gross domestic product undertaken in a given time period by the four sectors -- household, business, government, and foreign. Expenditures made by each of these sectors are specifically labeled consumption expenditures, investment expenditures, government purchases, and net exports. Aggregate expenditures (AE) are a cornerstone in the study of macroeconomics, playing critical roles in Keynesian economics, aggregate market analysis, and to a lesser degree, monetarism.
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Lesson Contents
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Unit 1: Selling Basics |
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Unit 2: Law of Supply |
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Unit 3: Supply Curve |
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Unit 4: Determinants |
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Unit 5: Scarcity | |
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Market Supply
This supply lesson provides an introduction, not only into Stuffed Amigo selling behavior, but into selling a wide range of other goods, even goods that aren't cute and cuddly. In fact, this supply topic does more than offer insight into selling behavior. It's also the second half of the market analysis -- the first half being demand. And to reiterate what I noted during the demand lesson, market analysis is one of the most widely used tools in the study of economics for explaining a lot of economic phenomenon. Of course to use markets, we now need to consider supply. - The first unit of this lesson, Selling Basics, introduces the basic concept of supply and a few related terms such as supply price and quantity supplied.
- In the second unit, Law of Supply, we move into a discussion of the law of supply, which captures the basic relation between supply price and quantity supplied.
- The third unit, Supply Curve, then develops the supply curve, which is the graphical embodiment of the supply concept.
- Moving onto the fourth unit, Determinants, we examine how the five basic supply determinants cause the supply curve to shift from one location to another.
- And in the fifth and final unit, Scarcity, we make a connection between supply and the limited resources part of scarcity.
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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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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at an auction seeking to buy either storage boxes for your income tax returns or an AC adapter for your CD player. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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This isn't me! What am I?
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
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"Plans are only good intentions unless they immediately degenerate into hard work." -- Peter Drucker, management consultant
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SEHK
Stock Exchange of Hong Kong
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