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KEYNESIAN CROSS: The standard diagram used in Keynesian economics to identify the equilibrium level of aggregate output (that is, gross domestic product), with aggregate expenditures measured on the vertical axis, and aggregate output measured on the horizontal axis. This diagram contains two key lines, the aggregate expenditure line and the 45-degree line. Intersection between these lines indicates equilibrium aggregate output. This intersection, or cross, is what gives rise to the name.
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Lesson Contents
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Unit 1: Getting Started |
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Unit 2: The Schedule |
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Unit 3: The Curve |
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Unit 4: Analysis |
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Unit 5: Investment | |
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Production Possibilities
In this lesson we'll take a trip through production possibilities. Production possibilities is a handy little analysis that lets us consider what the economy is capable of doing, production-wise. We'll see have a production possibilities curve, the cornerstone of this analysis, is derived and how it can be used to understand several important concepts, including opportunity cost, unemployment, investment, and economic growth. - The first unit begins this lesson by laying the foundations for production possibilities analysis, especially assumptions and limitations.
- We turn out attention in the second unit to the production possibilities schedule, a simple table that gives us a first shot on this analysis.
- The production possibilities curve is then derived from the production possibilities schedule in the third unit, with particular emphasis on the importance of opportunity cost
- In the fourth unit, we make use of the production possibilities analysis for an understanding of three important concepts: full employment, unemployment, and economic growth.
- And lastly, the fifth unit uses production possibilities to analyze investment in capital goods as a means of achieving economic growth.
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AGGREGATE SUPPLY SHIFTS Changes in the aggregate supply determinants shift both the short-run aggregate supply curve and the long-run aggregate supply curve. The mechanism is comparable to that for market supply determinants and market supply. There are two options--an increase in aggregate supply and a decrease in aggregate supply. An increase in resource quantity or quality or a decrease in resource price shifts one or both of the aggregate supply curves to right. A decrease in resource quantity or quality or an increase in resource price shifts one or both of the aggregate supply curves to left.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway looking to buy either an AC adapter that won't fry your computer or a case for your designer sunglasses. Be on the lookout for slow moving vehicles with darkened windows.
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
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"Sometimes when you innovate, you make mistakes. It is best to admit them quickly and get on with improving your other innovations. " -- Steve Jobs, Apple Computer founder
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PPI
Producer Price Index
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