Exam 6: Elasticity and Demand

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Refer to the following table showing a demand schedule: Price Quantity demanded \ 200 1000 150 1400 100 1800 -If price falls from $200 to $150, what is the elasticity of demand over this range?

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Refer to the following figure: Refer to the following figure:    -At what prices are demand curves D<sub>1</sub>, D<sub>2</sub>, and D<sub>3</sub> unitary elastic? -At what prices are demand curves D1, D2, and D3 unitary elastic?

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Perfume industry statistics show that over the past five years, the number of bottles of perfume sold decreased by 30%, but the total dollar amount spent by consumers was unchanged. This means that

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When the price of corn dogs is $0.50, 10,000 corn dogs are demanded. When the price of corn dogs is $1.20, 5,000 are demanded. What is the price elasticity of demand for corn dogs?

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Use the figure below, which shows a linear demand curve and the associated total revenue curve, to answer the questions. Use the figure below, which shows a linear demand curve and the associated total revenue curve, to answer the  questions.     -The marginal revenue of the 700th unit is $_____ and demand is __________ at this point. -The marginal revenue of the 700th unit is $_____ and demand is __________ at this point.

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Suppose the demand for good X is Q=500P1Q = 500 P ^ { - 1 } . This demand curve has a ________ (constant, variable) elasticity of demand equal to ________.

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Refer to the following table showing a demand schedule: Price Quantity demanded \ 200 1000 150 1400 100 1800 -As output rises from 1,400 to 1,800, what is marginal revenue?

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Refer to the following figure: Refer to the following figure:    -When quantity demanded is 1,000, what is marginal revenue? -When quantity demanded is 1,000, what is marginal revenue?

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When demand is inelastic,

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When marginal revenue is zero,

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Refer to the following figure: Refer to the following figure:    -What is the equation for marginal revenue? -What is the equation for marginal revenue?

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Refer to the following figure: Refer to the following figure:    -When quantity demanded is 2,000, what is marginal revenue? -When quantity demanded is 2,000, what is marginal revenue?

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Use the figure to calculate the income elasticity of demand when income increases from $25,000 to $30,000: Use the figure to calculate the income elasticity of demand when income increases from $25,000 to $30,000:

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"When the British government tripled university fees for foreign students in Great Britain, about one-half of them left to study in other countries." -This move will ___________ university revenues from foreign students in Great Britain.

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     -In the figure above, what is the point price elasticity of demand when price is $40? -In the figure above, what is the point price elasticity of demand when price is $40?

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The demand for good X will be more elastic than the demand for good Y when

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Refer to the following graph: Refer to the following graph:    -The price elasticity of demand over the price interval $90 to $110 is -The price elasticity of demand over the price interval $90 to $110 is

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Refer to the following figure: Refer to the following figure:    -At a price of $10, the point elasticity of demand for D<sub>3</sub> is ________ and marginal revenue is _______. -At a price of $10, the point elasticity of demand for D3 is ________ and marginal revenue is _______.

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If E1 is the demand elasticity for a product after a price change has been in effect one day, E2 is the demand elasticity for that product after one week, and E3 is demand elasticity for that product after one month,

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Refer to the following table showing a demand schedule: Price Quantity demanded \ 200 1000 150 1400 100 1800 -If price falls from $150 to $100, what is the elasticity of demand over this range?

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