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DERIVATION, AGGREGATE EXPENDITURES LINE: An aggregate expenditures line, a graphical depiction of the relation between aggregate expenditures and the level of aggregate income or production, can be derived by sequentially adding expenditures by the four macroeconomic sectors (household, business, government, and foreign). This derivation process begins with the consumption line, then adds investment, government purchases, and finally net exports. The process actually generates three alternative aggregate expenditures lines based on the number of sectors included (two sector, three sector, and four sector).
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Lesson 4: Production Possibilities | Unit 5: Investment
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Page: 23 of 24
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Scarcity is THE economic problem. Investment in capital goods is the source of economic growth and progress that lessens the scarcity problem.- Some investment is good, but lot of investment is not necessarily better.
- If we produce only capital goods and no consumption goods, eventually, with no consumption, people would die.
- The trick is to strike a balance between capital goods and consumption goods.
- Answering this question puts us into the realm of normative economics.
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ELASTICITY The relative response of one variable to changes in another variable. Elasticity is commonly used in the study of market exchanges to identify the relative response of quantity (demanded and supplied) to changes in price. The phrase "relative response" is best interpreted as the percentage change, such as, the percentage change in quantity measured against the percentage change in price. The most common notions of elasticity are the price elasticity of demand and the price elasticity of supply. Other notable economic elasticities are the income elasticity of demand and the cross elasticity of demand.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time at a garage sale trying to buy either a replacement washer for your kitchen faucet or a stretchable, flexible watch band. Be on the lookout for jovial bank tellers.
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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"Laughter is the shortest distance between two people. " -- Victor Borge, musician, humorist
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Opening of Business
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