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For a particular product, a demand elasticity is a quantitative measure that shows:

For a particular product, a demand elasticity is a quantitative measure that shows:
Answer the absolute change in quantity demanded relative to the percentage change in any of the other variables included in the demand function for that product.
the percentage change in quantity demanded relative to the absolute change in any of the other variables included in the demand function for that product.
the absolute change in quantity demanded relative to the absolute change in any of the other variables included in the demand function for that product.
the percentage change in quantity demanded relative to the percentage change in any of the other variables included in the demand function for that product.
.5 points
Question 2

Assume the demand for a good is price elastic, i.e., ed> 1 (in absolute terms). This means that if price increases by 10 percent, quantity demanded will:
Answer increase by less than 10 percent.
decrease by more than 10 percent.
decrease by less than 10 percent.
increase by more than 10 percent.
.5 points
Question 3

According to the text, the price elasticity of demand for bath tissue has been estimated to be -2.42. This implies that a 10 percent decrease in the price of bath tissue would cause the quantity demanded of bath tissue to:
decrease by 2.4 percent.
increase by 24.2 percent.
decrease by 24.2 percent.
.5 points
Question 4

If the percentage change in quantity demanded is less than the percentage change in price, we would say that over this range, demand is:
perfectly elastic.
unit elastic.
elastic.
.5 points
Question 5

If electricity demand is inelastic, and electric rates increase, which of the following is likely to occur?
Answer Quantity demanded will rise in the short run, but fall in the long run.
Quantity demanded will fall in the short run, but rise in the long run.
Quantity demanded will fall by a relatively large amount.
Quantity demanded will fall by a relatively small amount.
.5 points
Question 6

Suppose the demand for meals at a medium-priced restaurant is elastic. If the management of the restaurant is considering raising prices, it can expect a relatively:
small fall in quantity demanded.
large fall in quantity demanded.
large fall in demand.
.5 points
Question 7

An increase in price will result in no change in total revenue if:
Answer the percentage change in quantity demanded is equal to the percentage change in price.
the percentage change in price is large enough to cause quantity demanded to fall to zero.
the demand function is perfectly elastic.
the coefficient of elasticity is equal to zero.
.5 points
Question 8

The last time the U.S. Post Office raised its prices for mail service critics of the rate increase argued that the Post Office's revenues would actually decline as a result of the price increase. It can be concluded that:
Answer both groups believe demand is elastic, but for different reasons.
the Post Office believes demand for mail service is inelastic; opponents of the price increase believe demand is elastic.
the Post Office believes demand for mail service is elastic; opponents of the price increase believe demand is inelastic.
both groups believe demand is inelastic, but for different reasons.
.5 points
Question 9

All else constant, as the number of available substitutes for a particular good decreases, the price elasticity of demand for that good will:
stay the same.
increase.
cannot be determined.
.5 points
Question 10

Which of the following is a plausible reason that restaurants offer "Senior Citizen Discounts"?
Answer Senior citizens are easily fooled by "come-ons" and are therefore frequently victims of price discrimination.
Senior citizens are not very sensitive to changes in price.
Senior citizens tend to have inelastic demands for restaurant meals.
Senior citizens tend to have elastic demands for restaurant meals.
.5 points
Question 11

Demand for a good will tend to be more elastic if it exhibits which of the following characteristics?
Answer It is a non-durable (as opposed to a durable good).
The good has many available substitutes.
There is little time for the consumer to adjust to the price change.
It accounts for a small part of the consumer's total income.
.5 points
Question 12

If the consumer has a great deal of time to adjust to an increase in the price of gasoline, which of the following is correct?
Answer Quantity demanded will be relatively sensitive to the change in price.
Demand will tend to be unitary elastic as it is for most goods in the long run.
The percentage change in price will be quite large relative to the percentage change in quantity demanded.
The percentage change in quantity demanded will be quite small relative to the percentage change in price.
.5 points
Question 13

Many unions attempt to raise the hourly wages received by their members by restricting the supply of workers firms can hire from. Assuming the demand for workers who belong to these unions is inelastic, this would cause:
Answer wages of individual union members and the total (combined) income of union members to increase.
wages of individual union members to increase and the total (combined) income of union members to decrease.
wages of individual union members and the total (combined) income of union members to decrease.
wages of individual union members to decrease and the total (combined) income of union members to increase.
.5 points
Question 14

Suppose the price of movies seen at a theater rises from \$12 per couple to \$20 per couple. The theater manager observes that the rise in price causes attendance at a given movie to fall from 300 persons to 200 persons. What is the price elasticity of demand for movies? (note: use arc price elasticity calculation)
0.8
1.0
1.2
.5 points
Question 15

Suppose a department store has a sale on its silverware. If the price of a place-setting is reduced from \$30 to \$20 and the quantity demanded increases from 3,000 place-settings to 5,000 place-settings, what is the price elasticity of demand for silverware? (Note: use arc price elasticity calculation)
1.0
1.25
1.50
.5 points
Question 16

When demand is inelastic and price is decreased, marginal revenue will be:
negative.
positive.
.5 points
Question 17

When total revenue is at its maximum value:
Answer average revenue equals marginal revenue.
average revenue equals 0.
marginal revenue equals 0.
marginal revenue equals price.
.5 points
Question 18

Which of the following best describes a perfectly inelastic demand function?
Answer When price changes by a certain percentage, quantity demanded changes by the same percentage.
Price is completely insensitive to changes in quantity demanded.
The demand function is horizontal at the given price.
The quantity demanded is completely insensitive to changes in price.
.5 points
Question 19

If the purchase of a good can be moved up or postponed:
Answer demand for the good is relatively inelastic.
the demand curve for the good is vertical.
demand for the good is perfectly inelastic.
demand for the good is relatively elastic.
.5 points
Question 20

Coffee and tea would be expected to have:
Answer positive income elasticities of demand with respect to each other.
a negative cross-price elasticity of demand.
a positive cross-price elasticity of demand.
negative income elasticities of demand with respect to each other.

This question was asked on Apr 02, 2013.

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