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PPF: The abbreviation for production possibilities frontier, which is a curve that illustrates the production possibilities for the economy. A production possibilities frontier represents the boundary or frontier of the economy's production capabilities. That's why it's termed a production possibilities frontier (or PPF). As a frontier, it is the maximum production possible given existing (fixed) resources and technology. Producing on the curve means resources are fully employed, while producing inside the curve means resources are unemployed. The law of increasing opportunity cost is what gives the curve its distinctive convex shape.
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Lesson Contents
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Unit 1: The Concept |
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Unit 2: Doing More |
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Unit 3: The Curve |
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Unit 4: Determinants |
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Unit 5: Policies Plus | |
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Aggregate Demand
This lesson introduces aggregate demand, the demand-side of the aggregate market. The aggregate market is the key model used to explain and analyze the workings of the macroeconomy and aggregate demand is a critical half of this model (the other is aggregate supply). Taking a clue from market demand, this lesson examines the nature of aggregate demand, including the relation between the price level and aggregate expenditures, the reason the aggregate demand curve is negatively sloped, and the assorted aggregate demand determinants that cause the aggregate demand curve to shift. - The first unit of this lesson introduces the concept of aggregate demand and how it fits into the study of macroeconomics in terms of the aggregate market and circular flow.
- In the second unit, we example the four aggregate expenditures -- consumption, investment, government purchases, and net exports -- the make up aggregate demand.
- The third unit then examines the aggregate demand curve that captures the aggregate demand relation between the price level and aggregate expenditures, especially the importance of the real-balance, interest-rate, and net-export effects.
- A look at the assorted aggregate demand determinants that shift the aggregate demand curves is the topic of the fourth lesson.
- We end this lesson in the fifth unit with a look how demand-management policies work to stabilize business cycles through aggregate demand.
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AUCTION A formal market exchange in which prospective buyers make bids to purchase a commodity. An auction is an effective way of exchanging commodities by bringing together buyers and sellers. Auctions are commonly used to exchange financial instruments, agricultural commodities, personal assets, and works of art. Three notable types of auctions are English, Dutch, and sealed-bid.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway wanting to buy either a graduation present for your niece or nephew or a toaster oven that has convection cooking. Be on the lookout for attractive cable television service repair people.
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"When you play, play hard; when you work, don't play at all. " -- Theodore Roosevelt, 26th US president
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ICTB
International Customs Tariffs Bureau
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