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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 11: Elasticity Basics | Unit 4: A Continuum
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Page: 22 of 25
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In this unit, you should have learned about:- The elasticity continuum that ranges from 0 to infinity.
- The five elasticity alternatives -- perfectly elastic, relatively elastic, unit elastic, relatively inelastic, perfectly inelastic.
- Perfectly elastic as the alternative in which price is fixed.
- Relatively elastic as the alternative in which small changes in price cause large changes in quantity.
- Perfectly inelastic as the alternative in which quantity is fixed.
- Relatively inelastic as the alternative in which large changes in price cause small changes in quantity.
- Unit elastic as the alternative in which changes in price are matched by changes in quantity.
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AUTONOMOUS INVESTMENT Business investment expenditures that do not depend on income or production (especially national income or even gross domestic product). That is, changes in income do not generate changes in investment. Autonomous investment is best thought of as investment that the business sector undertakes regardless of the state of the economy. It is measured by the intercept term of the investment line. The alternative to autonomous investment is induced investment, which does depend on income.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a birthday greeting card for your mother that doesn't look like a greeting card or a handcrafted spice rack. Be on the lookout for broken fingernail clippers.
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This isn't me! What am I?
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Potato chips were invented in 1853 by a irritated chef repeatedly seeking to appease the hard to please Cornelius Vanderbilt who demanded french fried potatoes that were thinner and crisper than normal.
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"We can't take any credit for our talents. It's how we use them that counts. " -- Madeleine L'Engle, Writer
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SEHK
Stock Exchange of Hong Kong
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