Exam 4: Subtleties of the Supply and Demand Model

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If a 1 percent decrease in the price of breakfast cereals results in a 2 percent increase in the quantity demanded for breakfast cereals, then the price elasticity of the demand for breakfast cereals is

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A price ceiling is

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The price elasticity of supply can serve as an indicator of how much consumer expenditures will change with a change in price.

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When price changes, the effect on quantity demanded is larger as time passes at least partly because

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A given change in oil supply will result in a smaller change in the equilibrium price of oil if the

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Assume that the price elasticity of demand equals 0.4 (ed = 0.4). Given a 10 percent increase in price, there will be a

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Explain, in words, the difference between a low price elasticity of demand and a high price elasticity of demand for a 15 percent increase in price.

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Suppose the price of a good falls from $200 to $150, and the quantity demanded changes from 45,000 units to 50,500 units. Calculate the price elasticity of demand using the midpoint formula, and indicate whether demand is elastic, inelastic, or unit elastic.

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If there are very few substitutes for a product, then an increase in its price causes

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A perfectly inelastic demand curve has a price elasticity

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Which of the following often occurs as a result of a price ceiling?

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Suppose that, as the price of product A falls from $5 to $4, the quantity of A demanded increases from 2,000 to 6,000 units. In this case, what is the elasticity of demand, using the midpoint formula?

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Suppose a 1 percent in the price of a good results in the quantity demanded changing by 0.2 percent. Then you know

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The price elasticity of demand measures how much price changes given a change in demand.

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Calculate the price elasticity of demand if a 2.6 percent change in the price of a product results in a 10.5 percent change in quantity demanded, and indicate whether demand is elastic, inelastic, or unit elastic.

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Suppose that the revenue of a product increases when its price decreases. Then demand for the product must

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