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DEMAND-DRIVEN BUSINESS CYCLES: Business cycle instability caused by changes in one or more of the four aggregate demand expenditures on gross domestic product--consumption, investment, government purchases, and net exports. This is one of two basic types of business cycles; the other being supply-drive business cycle. Demand-driven business cycles tend to be the more common of the two types. In general, demand-driven business cycles are more responsible for short-term instability, while supply-driven business cycles tend to be more closely associated with long-run changes in the economy.
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Lesson 9: Macro Basics | Unit 5: Issues
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Page: 15 of 16
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Using the scientific method to test macroeconomic theories is an evolving process. Over time, more hypotheses are tested and macroeconomic theories grow, expand and improve.- Hypotheses from macroeconomic theories are not easily subject to experimental testing. Economists can't control the economy but must wait for it to cooperate.
- The result of combining different political philosophies and vested interests with the inability to provide definitive explanations, creates alternative, competing theories that seek to explain the world.
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AVERAGE VARIABLE COST CURVE A curve that graphically represents the relation between average variable cost incurred by a firm in the short-run product of a good or service and the quantity produced. This curve is constructed to capture the relation between average variable cost and the level of output, holding other variables, like technology and resource prices, constant. The average variable cost curve is one of three average curves. The other two are average total cost curve and average fixed cost curve. A related curve is the marginal cost curve.
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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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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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D-J
Dow Jones
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