ECON 101

Spring 2004

Practice Questions for Exam I

These practice questions are not intended to represent the actual length of the in-class exam, nor

do they necessarily cover all material that could appear on the exam. Use other resources for

studying in addition to these questions (student website for textbook, study guide, problem sets).

Multiple choice questions:

1. When resources are limited, but wants are unlimited, individuals must

A. make choices among available alternatives.

B. put the public interest before self-interest.

C. become less greedy.

D. reduce their expectations.

E. become more self-sufficient.

2. Markets

A. allow buyers and seller to communicate their desire to make exchanges.

B. will not resolve the question of how much of each good is produced.

C. are the only mechanism that can answer all four basic economic questions.

D. will not resolve the economic question of for whom goods are produced.

E. eliminate scarcity and the problems associated with limited resources.


Figure 2.2

3. Figure 2.2 shows Christopher's budget constraint. Which of the following statements about the budget constraint is correct?

A. Points A and B are attainable; points X and Z are unattainable.

B. Point X is attainable; points A, B, and Z are unattainable.

C. Points A, B, and X are unattainable; point Z is attainable.

D. Points A, B, and X are attainable; point Z is unattainable.

E. Points A, B, X, and Z are all attainable.

4. If a country's possibilities curve bows outward, this indicates that

A. to produce more of one good, the country must sacrifice increasingly larger amounts of the other good.

B. scarcity is less of a problem the more the country produces.

C. the country faces fixed trade-offs.

D. the country cannot produce more of all goods simultaneously.

E. to produce more of one good, the country must sacrifice smaller and smaller amounts of the other good.

5. The law of diminishing marginal returns refers to the observation that

A. resources are scarce, but some resources are more scarce than others.

B. the more people have of something, the lower the value they place on having more of it.

C. as more units of any input are used, output rises, but by smaller and smaller amounts.

D. as more units of any input are used, output eventually falls.

E. resources are equally well equipped for the production of any good.



Figure 2.4

6. Figure 2.4 shows a country's production possibilities curve defined over hamburgers and machines. Which of the statements about point C is correct?

A. It represents a combination of hamburger and machine production that is less desirable than point E.

B. It reflects inefficient production.

C. It represents an unattainable combination of machines and hamburgers.

D. It represents an unattainable combination of machines and hamburgers, but one that would be attainable if machines and hamburgers were less expensive.

E. It reflects idle resources.

7. Figure 2.4 shows a country's production possibilities curve defined over hamburgers and machines. Which of the following statements about point D is correct?

A. It represents a combination of hamburger and machine production that is more desirable than point E.

B. It reflects inefficient production.

C. It represents an unattainable combination of machines and hamburgers.

D. It represents a combination of hamburger and machine production that is more desirable than point A.

E. It reflects a combination of machines and hamburgers at which all resources must be fully employed.

8. Figure 2.4 shows a country's production possibilities curve defined over hamburgers and machines. To reach point C the country needs to

A. reallocate resources.

B. increase total resources.

C. employ idle resources.

D. use existing resources more efficiently.

E. allocate all resources to the production of hamburgers.

9. Along a country's production possibilities curve

A. there are no idle resources.

B. the prices of the goods that are produced are identical.

C. the costs of production of the goods that are produced are identical.

D. resources are equally well equipped for the production of any good.

E. there is only one efficient point.

10. The opportunity cost of an activity is

A. the amount of money spent on the activity.

B. the value of the time spent on that activity.

C. zero if you do not have to pay to undertake the activity.

D. infinite if you cannot really spare the time to undertake the activity.

E. the next best alternative use of all the resources put to use in that activity.

11. Jayne has just begun attending college. Which of the following should not be included in the opportunity cost of this activity?

A. tuition fees

B. the value of meals she consumes

C. the value of books she purchases for courses

D. the wages she could have earned if she had not gone to college

E. the value of any equipment she is required to buy for her courses

12. An increase in consumers' income will normally cause

A. a movement along the demand curve such that quantity demanded declines.

B. the demand curve to shift to the left.

C. an individual to decrease consumption of any goods she purchases.

D. the demand curve to shift to the right.

E. a movement along the demand curve such that quantity demanded increases.

13. An increase in the price of a substitute product will normally cause

A. a movement along the demand curve such that quantity demanded declines.

B. the demand curve to shift to the right.

C. an individual to decrease consumption of any goods she purchases.

D. the demand curve to shift to the left.

E. a movement along the demand curve such that quantity demanded increases.

14. An increase in the price of a complement will normally cause

A. the demand curve to shift to the right.

B. a movement along the demand curve such that quantity demanded declines.

C. an individual to increase consumption of any goods she purchases.

D. a movement along the demand curve such that quantity demanded increases.

E. the demand curve to shift to the left.

15. An increase in the price of butter is likely to result in

A. a movement along the demand curve for butter such that quantity demanded increases.

B. a rightward shift in the demand curve for margarine.

C. an increase in the quantity of butter demanded.

D. a leftward shift in the demand curve for margarine.

E. a movement along the demand curve for margarine such that quantity demanded increases.

16. A successful advertising program for a product will

A. shift the demand curve for that product leftward.

B. cause a movement down the demand curve for the product.

C. shift the demand curve for that product rightward.

D. cause a movement up the demand curve for the product.

E. have no effect on demand for the product.


Figure 4.2

17. Figure 4.2 shows two demand curves for a normal good. If the demand curve for the product was D1 and is now D2, this shift could be the result of

A. an increase in the price of a substitute for the product.

B. a reduction in the price of the product.

C. an increase in the price of a complement for the product.

D. a reduction in consumers' incomes.

E. a reduction in the price of a substitute for the product.

18. All of the following, except one, are sources of a rightward shift in the market demand curve for coffee. Which is not?

A. an increase in the price of tea bags

B. an increase in the price of coffee cream

C. an increase in consumers' incomes

D. a large increase in the size of the population

E. reduced concern about the effects of caffeine

19. If the quantity demanded exceeds the quantity supplied at the existing price,

A. the quantity demanded rises, but there is no change in the quantity supplied.

B. the quantity supplied rises, but there is no change in the quantity demanded.

C. the price of the good tends to increase.

D. the price of the good tends to decline.

E. sellers leave the market.

20. If the market price of a good is such that consumers wish to buy less of the good than firms are offering for sale, the excess _____ will cause price to _____.

A. demand; fall

B. supply; rise

C. price; fall

D. supply; fall

E. demand; rise

Use the following information to answer questions 21-22.


21. Table 4.1 shows the quantities demanded and supplied at different prices. If the price were $1.80,

A. the excess demanded would cause the price to fall.

B. the excess demanded would cause the price to rise.

C. the excess supply would cause the price to fall.

D. the excess supply would cause the price to rise.

E. the market would be in equilibrium.

22. Table 4.1 shows the quantities demanded and supplied at different prices. At a price of $1.40,

A. there is an excess demand of 2,400 units.

B. there is an excess supply of 2,400 units.

C. the market is in equilibrium.

D. there is an excess supply of 4,000 units.

E. there is an excess demand of 4,000 units.


Figure 4.6 (a) (b)

23. Figure 4.6 shows the effect of shifts in the supply curve for butter on the equilibrium price and quantity of butter. If there were a fall in the price of milk (an input used in the production of butter), the appropriate graph would be _____, which shows a _____ in the equilibrium quantity and a _____ in the equilibrium price.

A. graph b; fall; rise

B. graph a; rise; fall

C. graph b; fall; fall

D. graph a; fall; rise

E. graph b; rise; fall

24. If there were a rise in the price of sugar (an input used in the production of candy bars), the supply curve for candy bars would shift to the _____, the equilibrium quantity would _____, and the equilibrium price would _____.

A. left; fall; rise

B. left; fall; fall

C. left; rise; fall

D. right; fall; rise

E. right; rise; fall

25. If the price of a substitute for candy bars were to rise, the demand curve for candy bars would shift ____, the equilibrium quantity would____, and the equilibrium price would____.

A. left; fall; rise

B. right; rise; rise

C. left; rise; fall

D. right; fall; rise

E. left; fall; fall

26. If the price elasticity of demand for a product is .5, a price increase from $1.00 to $1.04 will cause quantity demanded to

A. rise by 4 percent.

B. fall by 2 percent.

C. fall by 4 percent.

D. rise by 2 percent.

E. fall by $.02.

27. If a firm lowers the price of its product and finds that total revenue has fallen, this indicates that

A. demand for the product is price-inelastic.

B. demand for the product is price-elastic.

C. demand for the product has unit price elasticity.

D. the demand curve for the product is downward sloping.

E. the price elasticity is greater than 1.

28. If a firm raises the price of its product and finds that total revenue has fallen, this indicates that

A. demand for the product is price-inelastic.

B. demand for the product has unit price elasticity (e = 1).

C. the demand curve for the product is downward sloping.

D. the price elasticity is less than 1.

E. demand for the product is price-elastic.

29. If the supply of a product is perfectly price-inelastic and the price of a substitute product rises, equilibrium quantity will ____ and equilibrium price will ____.

A. remain constant; increase

B. remain constant; decrease

C. decrease; remain constant

D. increase; remain constant

E. increase; increase

30. If the quantity demanded of a product increases at every price (shifting the demand curve rightward) and the supply curve of the product is relatively inelastic, equilibrium quantity will ____ and equilibrium price will ____, but equilibrium ____ will change proportionately more.

A. decrease; increase; price

B. increase; increase; price

C. increase; decrease; price

D. increase; increase; quantity

E. increase; decrease; quantity

31. If the demand curve of a good is relatively elastic and the price of an input to the production of that good rises, equilibrium quantity will ____ and equilibrium price will ____, but equilibrium ____ will change proportionately more.

A. decrease; decrease; price

B. increase; decrease; price

C. decrease; increase; quantity

D. increase; decrease; quantity

E. increase; increase; price

32. Demand and supply curves are ____ in the long run than in the short run, which means that shifts in demand and supply curves will be reflected more in ____ changes in the short run, and more in ____ changes in the long run.

A. more price-elastic; quantity; price

B. less price-elastic; price; quantity

C. more price-inelastic; quantity; price

D. more price-elastic; price; quantity

E. less price-elastic; quantity; price

33. A tax has been levied on a product. The more price-elastic the demand for that product is,

A. the more likely it is that the tax is borne equally by consumers and sellers.

B. the greater is the proportion of the tax borne by producers.

C. the greater is the revenue that is raised by the tax.

D. the greater is the proportion of the tax borne by consumers.

E. the more likely it is that the tax will be reflected in a change in price rather than a change in quantity.

34. When a tax is levied on a product, its burden is usually shared between consumers and producers. In which of the following cases will this not be the case?

A. Demand for the product is relatively price-inelastic.

B. The demand curve for the product is downward sloping.

C. Demand for the product is perfectly price-elastic.

D. Demand for the product has unit price elasticity.

E. Demand for the product is relatively price-elastic.


Figure 5.5

35. Figure 5.5 shows a shift of the supply curve for a product from S1 to S2, as a result of a tax levied on the product. The amount of the tax is ____ and the amount of the tax the consumers bear is ____.

A. P2 - P1; P3 - P2

B. P3 -P1; P3 - P2

C. P3 - P1; P2 - P1

D. P3 - P2; P2 - P1

E. P2 - P1; P3 - P1

36. Price ceilings, which are legally established prices ____ the equilibrium price, result in ____.

A. below; shortages

B. above; shortages

C. below surpluses

D. above surpluses

E. equal to; market clearing

37. Price floors, which are legally established prices ____ the equilibrium price, result in ____.

A. below; shortages

B. above; shortages

C. below; surpluses

D. above; surpluses

E. equal to; market clearing

38. Bob buys only bottles of beer and pizza. A bottle of beer costs $2 and pizzas are $8 each. The relative price of a pizza is ____ beers.

A. .25

B. 2

C. 4

D. 8

E. 16

Use the following information to answer questions 39-40.


Figure 6.1

39. Figure 6.1 shows Arthur's budget constraint. If Arthur's income is $90, the price of beer is

A. $30.

B. $15.

C. $6.

D. $3.

E. $2.

40. Figure 6.1 shows Arthur's budget constraint. If Arthur's income is $90, the price of pizza is

A. $30.

B. $15.