Econ 101 » Spring 2020 » Module 4 Quiz
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Question #1
The elasticity of supply is defined as the ________ change in quantity supplied divided by the ________ change in price.
A.
percentage : percentage
B.
marginal : percentage
C.
total : percentage
Question #2
Using the midpoints method, calculate the price elasticity of demand of Good Z using the following information: When the price of good Z is $10, the quantity demanded of good Z is 85 units. When the price of good Z rises to $15, the quantity demanded of good Z falls to 60 units.
A.
0.86
B.
0.52.
C.
1.9
Question #3
The size of the change in the quantity demanded of a good or service due to change in its price is measured by the elasticity of demand. When the percentage change in the quantity demanded for a good or service is more than the percentage change in price, the demand for that good or service is ________ and the price elasticity coefficient is ________.
A.
inelastic, less than 1
B.
unitary, equal to 1
C.
elastic, greater than 1
Question #4
When the demand for a good or service does NOT vary when there is a change in price, the good is ________?
A.
perfectly inelastic
B.
perfectly elastic
C.
unitarian
Question #5
The elasticity of demand is defined as
A.
the percentage change in price divided by the percentage change in quantity demand.
B.
the percentage change in quantity demanded divided by the percentage change in price.
C.
change in quantity demanded divided by quantity demanded.
Question #6
Using the midpoints method, calculate the price elasticity of demand of Good X using the following information: When the price of good X is $50, the quantity demanded of good X is 400 units. When the price of good X rises to $60, the quantity demanded of good X falls to 300 units.
A.
The price elasticity of demand for good X = 0.64.
B.
The price elasticity of demand for good X = 1.57.
C.
The price elasticity of demand for good X = 1.23.
Question #7
Elasticity allows economists to measure
A.
the frequency of shifts in demand.
B.
how firms can maximize profits.
C.
responsiveness of one variable to changes in another variable.
Question #8
Elasticity measures the behavioral response of economic agents in a given situation. Which of the following questions is likely to be answered using elasticity?
A.
If hot dogs go on sale, will it be a sunny day?
B.
If you get a pay raise, are you more productive at work?
C.
If a business raises its prices, will that have a large or small impact on demand?
Question #9
Which of the following questions would be asked by an economist studying elasticity?
A.
How responsive are consumers and producers to changes in price?
B.
What quantity should producers sell to maximize profit?
C.
How will consumer behavior change with a technological innovation? How will consumer behavior change with a technological innovation?
Question #10
Which of these questions is the best example of elasticity?
A.
How will a change in consumer behavior affect the overall consumer experience?
B.
What is the least amount of goods a supplier can produce without upsetting the customers?
C.
How much will a change in price or quantity impact consumer and producer behavior?
Question #11
If consumers find cola and iced tea good substitutes, then it is likely that
A.
the goods’ income elasticities are less than zero.
B.
the goods’ price elasticities of demand are less than one.
C.
the goods’ cross price elasticities are greater than zero.
Question #12
When income increases and the demand for a good increases, the good is considered a
A.
normal good.
B.
complementary good.
C.
inferior good.
Question #13
When income increases and demand for a good falls, the good is considered a
A.
inferior good.
B.
complementary good.
C.
normal good.
Question #14
If wage increases by 10%, a(n) ________ worker is likely to supply 7% more labor because elasticity of labor supply is assumed to be ________.
A.
adult; inelastic.
B.
adult; elastic.
C.
teenager; elastic.
Question #15
You are the manager of the public transit system. You are informed that the system faces a deficit, but you cannot cut service, which means you cannot cut costs. Your only hope is to increase revenue by increasing fares. You are advised that the estimated price elasticity of demand, several years after the price change, will be about −1.5. Select the statement that best describes the results of raising the fare in the long run.
A.
Total revenue rises immediately, since demand will remain price inelastic.
B.
Total revenue will fluctuate as the demand fluctuates.
C.
Total revenue falls, since demand changes and becomes price elastic.
Question #16
You are the manager of a restaurant and would like to increase revenue. The host staff suggests that you should increase the price of drinks and food, but the servers suggest decreasing the price of drinks and food. You are unsure if you should increase or decrease price, but you know that
A.
the servers thinks demand for drinks and food is elastic.
B.
the servers think demand for drinks and food is inelastic.
C.
the host staff thinks demand for drinks and food is elastic.
Question #17
Given that total revenue = price x quantity, what will happen to total revenue if price increases when demand is elastic?
A.
decrease
B.
stay the same
C.
increase
Question #18
Complete the following sentence. Given that total revenue = price x quantity, a reduction in price will lead to an increase in total revenue when demand is
A.
inelastic.
B.
unit elastic.
C.
elastic.
Question #19
Suppose you are in charge of sales at a pharmaceutical company, and your firm has a new drug that causes bald men to grow hair. Assume that the company wants to earn as much revenue as possible from this drug. If the elasticity of demand for your company’s product at the current price is 1.4, what would you advise the company to do?
A.
keep the price the same
B.
lower the price
C.
raise the price
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