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ADJUSTMENT, LONG-RUN AGGREGATE MARKET: Disequilibrium in the long-run aggregate market induces changes in the price level that restore equilibrium. If the price level is above the long-run equilibrium price level, economy-wide product market surpluses cause the price level to fall. If the price level is below the long-run equilibrium price level, economy-wide product market shortages cause the price level to rise. In both cases long-run equilibrium is restored. Price level changes induce changes in aggregate expenditures but NOT changes in real production. The reason is that long-run aggregate supply is full-employment real production, which is unaffected by the price level.
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Lesson Contents
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Unit 1: The Concept |
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Unit 2: A Little More |
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Unit 3: Measurement |
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Unit 4: A Continuum |
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Unit 5: Market Elasticity | |
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Elasticity Basics
In this lesson, we will examine the basics of elasticity, including what it is, how it is measured, and how it is used in market analysis. - The first unit of this lesson, The Concept, introduces the elasticity concept and previews its role in market analysis.
- In the second unit, A Little More, examines the importance of elasticity for such topics as market shocks, taxes, and price controls.
- The third unit, Measurement, takes a close look at how elasticity is measured, focusing on the coefficient of elasticity.
- The fourth unit, A Continuum, examines the five categories of elasticity, ranging from elastic to inelastic, that form a continuum.
- The fifth unit and final unit, Market Elasticity, closes this lesson by introducing four key elasticity concepts for the market demand and supply.
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ASSUMPTIONS, KEYNESIAN ECONOMICS The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a flower arrangement with a lot of roses for your grandmother or a wall poster commemorating the first day of winter. Be on the lookout for infected paper cuts.
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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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"You have to find something that you love enough to be able to take risks, jump over the hurdles and break through the brick walls that are always going to be placed in front of you. If you don't have that kind of feeling for what it is you're doing, you'll stop at the first giant hurdle. " -- George Lucas
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BST
Bulk Supply Tariff
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