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2 Suppose consumers revise their expectations and now believe that fishing boat prices are going to increase next month instead of staying at current levels. What would be the expected impact on the current market price and market quantity of fishing boats? A. The market price would increase and the market quantity would decrease. B. Both the market price and market quantity would decrease. C. No prediction can be made without knowing the price elasticity of demand. D. Both the market price and market quantity would increase. E. The market price would decrease and the market quantity would increase

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Lelia Lubowitz
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4 Sep 2018
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Related textbook solutions

Principles of Economics
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Related questions

6. The demand for a tennis racket is given by P = 300 - 2QD. The supply is P = 60 + QS. What are the equilibrium price and output?

A. $80, 140

B. $140, 80

C. $300, 240

D. $250, 100

E. $300, 160

7. Assume that at the current market price is $4 per cup of coffee, you are willing and able to buy 30 cups. Last month at a price of $4 per cup, you would have purchased 20 cups. What has most likely happened over the last month?

A. Supply has decreased

B. Quantity supplied has increased

C. Demand has decreased

D. Supply has increased

E. Demand has increased 

8. In the figure below, which graph represents what would happen if there was an increase in the price of the metal used in the production of a bike?

A. A

B. B

C. C

D. D

E. Both [C] and [E] would happen

9. If the price elasticity of supply = 2.5 and price decreases by 3 percent, then

A. supply will decrease by 75 percent

B. total output will increase

C. quantity supplied will increase by 83 percent

D. quantity supplied will increase by 1.2.

E. quantity supplied will decrease by 7.5 percent

10. When the price increases from $4 to $6 and the quantity demanded decreases by 2 units, the price elasticity of demand is 

A. -25

B. -1.5

C. -1

D. -2.5

E. Cannot be determined from the information given

The primary difference between a change in supply and a change in the quantity supplied is:
Choose one answer.
a. a change in quantity supplied is a shift in the supply curve, and a change in supply is a movement along the supply curve.
b. both a change in quantity supplied and a change in supply are movements along the supply curve, only in different directions.
c. a change in quantity supplied is a movement along the supply curve, and a change in supply is a shift of the supply curve.
d. a change in supply is a movement to the left along the supply curve and a change in quantity supplied is a movement to the right along the supply curve.

Question 2
What is the difference between a shortage and scarcity?
Choose one answer.
a. Scarcity will always exist because choices must be made, but a shortage will only exist if the price is kept below the equilibrium level.
b. Scarcity is a result of two or more alternative uses and will always exist, and quantities of supply and demand adjusting to flexible prices will create shortages.
c. A surplus will exist when a good is scarce; a shortage merely implies that there isn't as much of something as people would like, which is nearly always the case.
d. There is no distinction between the two. They are the same thing.

Question 3
A decrease in supply means:
Choose one answer.
a. a shift to the left of the entire supply curve.
b. moving downward (to the left) along the supply curve with lower prices.
c. less will be demanded at every price.
d. more will be supplied at every price.

Question 4
A decrease in demand, with no change in supply, will lead to ________ in equilibrium quantity and ________ in equilibrium price.
Choose one answer.
a. an increase; an increase
b. an increase; a decrease
c. a decrease; an increase
d. a decrease; a decrease

Question 5
After graduation from college you will receive a substantial increase in your income from a new job. If you decide that you will purchase more T-bone steak and less hamburger, then for you hamburger would be considered a( n ):
Choose one answer.
a. normal good.
b. substitute good.
c. complementary good.
d. inferior good.

Question 6
There is equilibrium in the market when:
Choose one answer.
a. there is no shortage.
b. there is no surplus.
c. price is established where the supply curve and the demand curve intersect.
d. all of the above are true.

Question 7
Which would not cause the supply curve to shift?
Choose one answer.
a. a change in technology
b. a change in factor costs
c. a change in the price of the good
d. a change in the prices of related goods

Question 8
Given that meat and potatoes are complementary goods, if the price of meat decreases substantially, there would be:
Choose one answer.
a. an increase in the demand for potatoes.
b. an increase in the quantity of potatoes demanded.
c. a decrease in the demand for potatoes.
d. no change in the demand for potatoes.

Question 9
Given that milk and cookies are complements, suppose the price of flour (an ingredient in cookies) rises. What happens in the market for milk?
Choose one answer.
a. The equilibrium price and quantity rise.
b. The equilibrium price rises and the equilibrium quantity falls.
c. The equilibrium price and quantity fall.
d. The equilibrium price falls and the equilibrium quantity rises.

Question 10



A temporary price of $2 in this market would result in:
Choose one answer.
a. a surplus of 8,000 bushels.
b. a shortage of 8,000 bushels.
c. a shortage of 10,000 bushels.
d. a surplus of 10,000 bushels.

Question 11
The price of oranges rises. What happens in the market for apples, which are a substitute for oranges?
Choose one answer.
a. The equilibrium price falls, and the equilibrium quantity rises.
b. The equilibrium price rises, and the equilibrium quantity falls.
c. The equilibrium price and quantity rise.
d. The equilibrium price and quantity fall.

Question 12
A market surplus occurs if the:
Choose one answer.
a. price is below the equilibrium price.
b. price is equal to the equilibrium price.
c. equilibrium price is above the actual price.
d. equilibrium price is below the actual price.

Answer the following 24 questions.

1. The elasticity that measures how sensitive the buyers of a good are to a change in the price of another good is called:

a. price-elasticity of demand

b. income-elasticity of demand

c. cross-price-elasticity of demand

d. price-elasticity of supply

2. If the price of walnuts rises, many people would switch from consuming walnuts to consuming pecans. But if the price of salt rises, people would have difficulty purchasing something to use in its place. These examples illustrate the importance of

a. the availability of close substitutes in determining the price elasticity of demand.

b. a necessity versus a luxury in determining the price elasticity of demand.

c. the definition of a market in determining the price elasticity of demand.

d. the time horizon in determining the price elasticity of demand.

3. Suppose that Juan Carlos is filling out a survey that he received in the mail. The survey asks him what he would do if the price of his favorite toothpaste increased. Juan Carlos reports that he would switch to a different brand. The survey asks what he would do if the price of all kinds of toothpaste increased. Juan Carlos reports that he must use toothpaste, so he would have to adjust his spending elsewhere. These examples illustrate the importance of

a. changes in total revenue in determining the price elasticity of demand.

b. a necessity versus a luxury in determining the price elasticity of demand.

c. the definition (broad vs narrow) of a market in determining the price elasticity of demand.

d. the time horizon in determining the price elasticity of demand.

4. Suppose that gasoline prices increase dramatically this month. Lola commutes 100 miles to work each weekday. Over the next few months, Lola drives less on the weekends to try to save money. Within the year, she sells her home and purchases one only 10 miles from her place of employment. These examples illustrate the importance of

a. the availability of substitutes in determining the price elasticity of demand.

b. a necessity versus a luxury in determining the price elasticity of demand.

c. the definition of a market in determining the price elasticity of demand.

d. the time horizon in determining the price elasticity of demand.

5. When a smartphone manufacturer introduces a phone with new features (like a more powerful camera, more storage, a screen with better definition, or being waterproof) and advertises them, it is

a. trying to decrease buyers' price-elasticity of demand by differentiating the goods relative to the competition so that consumers perceive it as having no close substitutes in the market.

b. trying to decrease buyers' price-elasticity of demand by differentiating the goods relative to the competition so that consumers perceive it as having more substitutes in the market.

c. trying to increase buyers' price-elasticity of demand by differentiating the goods relative to the competition so that consumers perceive it as having more substitutes in the market.

d. trying to increase buyers' price-elasticity of demand by differentiating the goods relative to the competition so that consumers perceive it as having no close substitutes in the market.

6. Consider the following two alternative scenarios.

1) In scenario 1, the price of all smartphones increases by 10%.

2) In scenario 2, the price of Samsung smartphones increases by 10% while the price of all other smartphones stays the same as before.

Which of the following is true?

a. The quantity demanded of Samsung phones in scenario 2 falls by more, in percentage terms, than the quantity demanded of all phones in scenario 1.

b. The quantity demanded of Samsung phones in scenario 2 falls by less, in percentage terms, than the quantity demanded of all phones in scenario 1.

7. As more electric car models appear in the market, the price elasticity of demand for the models already in the market should

a. Stay the same. In other words, buyers' sensitivity to changes in the price of the existing cars does not change.

b. Increase. In other words, buyers' sensitivity to changes in the price of the existing cars increases.

c. Decrease. In other words, buyers' sensitivity to changes in the price of the product of the car decreases.

8. Demand for a good is likely to be flatter if

a. the good has many substitutes

b. the good is narrowly defined

c. we are considering the long run rather than the short run

d. the good is a luxury.

e. All of the above.

9. If the price elasticity of the demand for ice-cream is equal to 1.5, then

a. a 1% increase in price will lead to a 1.5% increase in quantity demanded.

b. a 1% increase in price will lead to a 150% fall in quantity demanded.

c. a 1% increase in price will lead to a 15% fall in quantity demanded.

d. a 1% increase in price will lead to a 1.5% fall in quantity demanded.

10. If the price elasticity of demand for oil is 0.7, then

a. Demand is elastic, buyers are relatively sensitive to price, and the demand curve is relatively flat.

b. Demand is elastic, buyers are relatively insensitive to price, and the demand curve is relatively flat.

c. Demand is inelastic, buyers are relatively insensitive to price, and the demand curve is relatively steep.

d. Demand is inelastic, buyers are relatively sensitive to price, and the demand curve is relatively flat.

11. Note: this question is not about calculating elasticity, but about showing that you know how to calculate a % change using the midpoint method in any circumstance.

A biology class at Q State University initially had 205 students. After the first test, enrollment dropped to 195 students. Using the midpoint method, the % change in the number of students is equal to

a. 10%

b. approximately 5.12%

c. approximately 4.88%

d. 5%

12. When the price of a good is $5, the quantity demanded is 100 units per month; when the price is $7, the quantity demanded is 80 units per month. Using the midpoint method, the price elasticity of demand is approximately

a. 0.22.

b. 0.67.

c. 1.33.

d. 1.50.

13. If the price elasticity of demand for hamburgers is 0.4, then a 20% increase in the price of hamburgers will lead to

a. an 8% fall in quantity demanded.

b. a 20% fall in quantity demanded.

c. a 0.4% fall in quantity demanded.

d. a 4% fall in quantity demanded.

14. If the price elasticity of demand for cruises is 1.4, a 1% decrease in the price of cruises will lead to a

a. A 1.4% increase in quantity demanded.

b. A 1% increase in quantity demanded.

c. A 1.4% decrease in quantity demanded.

d. A 1% decrease in quantity demanded.

15. A city wants to raise revenues to build a new municipal swimming pool next year. The mayor suggests that the city raise the price of admission to the existing municipal pools this year to raise revenues. The city manager suggests that the city lower the price of admission to raise revenues. Who is correct?

a. the mayor

b. the city manager

c. The answer depends on the price elasticity of demand.

d. The answer depends on the costs of construction of the new municipal swimming pool.

16. When demand is elastic, an increase in price will cause

a. an increase in total revenue.

b. a decrease in total revenue.

c. no change in total revenue.

d. not enough information.

17. Consider luxury weekend hotel packages in Las Vegas. When the price is $250, the quantity demanded is 2,000 packages per week. When the price is $280, the quantity demanded is 1,700 packages per week. Using the midpoint method, the price elasticity of demand is about

a. 1.43, and an increase in the price will cause hotels' total revenue to decrease.

b. 1.43, and an increase in the price will cause hotels' total revenue to increase.

c. 0.70, and an increase in the price will cause hotels' total revenue to decrease.

d. 0.70, and an increase in the price will cause hotels' total revenue to increase.

18. Suppose researchers at the University of Wisconsin discovered a new vitamin that increases the milk production of dairy cows. If the demand for milk is relatively inelastic, the discovery will

a. raise both price and total revenues.

b. lower both price and total revenues.

c. raise the price and lower total revenues.

d. lower price and raise total revenues.

19. When we calculate elasticities, whether the percent changes have a plus or a minus sign matters if we are calculating

a. Price elasticity of demand, because the signs give us information about whether the good is normal or inferior.

b. Income elasticity of demand, because the signs give us information about whether the good is normal or inferior.

c. Cross-price-elasticity of demand, because the signs give us information about whether the goods are substitutes or complements.

d. b and c are both correct.

20. Income elasticity of demand measures how

a. the quantity demanded changes as consumer income changes.

b. consumer purchasing power is affected by a change in the price of a good.

c. the price of a good is affected when there is a change in consumer income.

d. many units of a good a consumer can buy given a certain income level.

21. Last year, Carolyn bought 6 pairs of earrings when her income was $40,000. This year, her income is $52,000, and she purchased 7 pairs of earrings. Holding other factors constant, it follows that Carolyn's income elasticity of demand is about

a. 0.59, and Carolyn regards earrings as an inferior good.

b. 0.59, and Carolyn regards earrings as a normal good.

c. 1.7, and Carolyn regards earrings as an inferior good.

d. 1.7, and Carolyn regards earrings as a normal good.

22. Sandra purchases 5 pounds of coffee and 10 gallons of milk per month when the price of coffee is $10 per pound. She purchases 6 pounds of coffee and 12 gallons of milk per month when the price of coffee is $8 per pound. Sandra's cross-price elasticity of demand for milk with respect to the price of coffee

a. 0.82, and the goods are substitutes.

b. -0.82, and the goods are complements.

c. 1.22, and the goods are substitutes.

d. -1.22, and the goods are complements.

23. Supply of good is likely to be steeper (that is, more inelastic)

a. if sellers can cheaply make more units of the good on short notice.

b. in the long run.

c. in the short run.

d. if sellers have a large degree of flexibility to expand factory size.

24. When the price of a barrel of oil is $35, an oil fracking company is willing to produce 500 gallons per minute. If the price increased to $45, the company would be willing to produce 2500 gallons per minute. Using the midpoint method, calculate the company's price elasticity of supply.

 a. approximately 1.33

 b. 0.25

 c. approximately 5.33

d. approximately 0.188

 

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