ECON 222 Exam 2

25 July 2022
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The price elasticity of demand is a measure of the:
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Responsiveness of buyers of a good to changes in its price
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We use the midpoint formula in computing the price elasticity of demand coefficient in order to:
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Convert absolute changes into percent-changes
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The price-elasticity of demand is always negative because of:
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The law of demand
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When the price of a product is increased 10 percent, the quantity demanded decreases 15 percent. The price-elasticity of demand coefficient for this product is:
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1.5
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If the price-elasticity coefficient for a good is .75, the demand for that good is described as:
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Inelastic
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If a 5 percent cut in the price of a product causes the quantity demanded to rise by 10 percent, the demand is:
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Elastic
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Blossom, Inc. sells 500 bottles of perfume a month when the price is $7. A huge increase in resource costs forces Blossom to raise price to $9, and the firm only manages to sell 460 bottles of perfume. The price elasticity of demand is:
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0.33 and inelastic
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Suppose you are given the following data on demand for a product. The price elasticity of demand (based on the midpoint formula) when price decreases from $9 to $7 is:
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1.60
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If an increase in the supply of a product in the market results in a decrease in price, but no change in the quantity traded, then:
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The price elasticity of demand is zero
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Total revenue falls as the price of a good is raised, if the demand for the good is:
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Elastic
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Demand is said to be inelastic when:
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A reduction in price results in a decrease in total revenue
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When the price of movie tickets in a certain town was reduced, the movie-theaters' revenues did not change. This suggests that the demand for movie tickets in that town has a price-elasticity coefficient of:
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1.0
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Chuck Grim has a price elasticity of demand for beer of 1.2. Suppose that the price of beer is increased by 10 percent. What will happen to the total amount Chuck spends on beer?
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It will decrease
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In some markets consumers may buy many different brands of a product. Which of the statements below best represents a situation where demand for a particular brand would be very elastic?
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"The different brands are almost identical. I always buy the cheapest"
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Which is not characteristic of a product with relatively inelastic demand?
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There are a large number of good substitutes for the good
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What is the most likely effect of the development of DVDs, rental movies, and online movie streaming on the movie theater industry?
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Increased price elasticity of demand for movie theater tickets
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The demand for Cheerios cereal is more price-elastic than the demand for cereals as a whole. This is best explained by the fact that:
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There are more substitutes for Cheerios than for cereals as a whole
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The price elasticity of demand increases with the length of the period considered because:
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Consumers will be better able to find substitutes
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A state government wants to increase the taxes on cigarettes to increase tax revenue. Because cigarettes are addictive, we would expect its demand to be:
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Inelastic, thus the government's cigarette-tax revenues would rise with a tax increase
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Considering the price-elasticity of demand for wheat, we would expect that if the supply of wheat increases, other factors constant, then wheat farmers' total revenues would:
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Decrease because the demand is price-inelastic
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The elasticity of supply for a product will be 2 if:
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A 1 percent decrease in price causes a 2 percent decrease in quantity supplied
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If a product has a short-run elasticity of supply equal to zero, then an increase in the demand for the product will:
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Increase price and leave quantity sold unchanged
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If a college admits only a fixed number of applicants every year, then the school's supply curve for admissions is:
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Perfectly inelastic
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In the immediate market period for a highly-perishable crop like tomatoes, the individual farmer's supply curve tends to be:
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Perfectly inelastic
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Economists distinguish among the immediate market period, the short run, and the long run by noting that:
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Supply is most elastic in the long run, and least elastic in the immediate market period
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Elasticity of supply will increase when:
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It becomes easier to substitute one factor of production for another in a manufacturing process
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The price of gold is often volatile because:
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Supply is relatively inelastic so changes in demand have a large effect on price
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Airlines charge business travelers more than leisure travelers because there is a more:
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Inelastic demand for business travel
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If a 10 percent increase in the price of one good A results in an increase of 5 percent in the quantity demanded of another good B, then it can be concluded that the two goods A and B are:
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Substitute goods
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Cross elasticity of demand is:
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Negative for complementary goods
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The cross elasticity of demand between Quaker State motor oil and Texaco motor oil is likely to be:
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A positive number
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The cross elasticity of demand between digital cameras and memory cards is likely to be:
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A negative number
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Most goods can be classified as normal goods rather than inferior goods. The definition of a normal good suggests that:
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The income elasticity for the good is greater than 0
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A negative income elasticity of demand coefficient indicates that:
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The product is an inferior good
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For which product is the income elasticity of demand most likely to be negative?
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Used clothing