Consumer Choice
Production
Perfect Competition
Pure Monopoly
Monopolistic Competition/Oligopoly
100

If Marginal Utility is decreasing, is it positive, negative, or ambiguous?

What is negative?

100

Suppose that the total production of a firm that uses 10 workers is 3 computers. If the same firm uses 12 workers, the total production is 15 computers. What is the marginal product of the 12th worker (measured in computers)?

What is 6 computers?

100

In a perfectly competitive market:
A) There are just a few firms
B) Firms can determine what price to charge
C) Firms are price takers
D) Firms offer differentiated products
 

What is answer C?

100

One defining characteristic of pure monopoly is that the

A) monopoly is a price taker.

B) monopoly uses advertising.

C) monopoly produces a product with no close substitutes.

D) entry into the industry is relatively easy, but exit is difficult.

What is answer C?

100

Entry barriers
A) never exist.
B) are lower in monopolistically competitive markets than in monopoly markets.
C) are higher in monopolistically competitive markets than in monopoly markets.
D) Are always the same regardless of the type of market.

What is answer B?

200

When diminishing marginal utility starts happening, as a person consumes more and more of a given good
A) total utility must decrease.
B) total utility either decreases or it increases at a diminishing rate.
C) marginal utility will increase.
D) total utility must be negative.

What is answer A?

200

Fixed costs of production in the short run
A) cannot be reduced by producing less output.
B) can be reduced by producing less output.
C) are low in proportion to variable costs in the short run.
D) increase as the firm produces more output.

What is answer A?

200

If the price of wheat is $580, what is the profit maximizing quantity?

What is 10 units?

200

A pure monopoly can sell 20 toys per day for $8 each. To sell 21 toys
per day, the price must be cut to $7. The marginal revenue of the 21st
toy is
A) −$10.
B) −$13.
C) $7.
D) $21.

What is answer B?

200

Which of the following is a characteristic of monopolistic competition?

A) standardized product

B) a relatively small number of firms

C) absence of nonprice competition

D) relatively easy entry



What is answer D?

300

If the marginal utility of the first ice cream cone for Bob is 1 and the marginal utility for the second ice cream cone for Bob is 1. What is the total utility for Bob when he eats two ice cream cone? (assume zero ice cream cones gives him total utility of zero)

What is 2 utility?

300

What is the total cost of producing 10 units?

What is $190?

300

What are the total costs if the firm produces at 25 units?

Refer to Diagram 3

What is $20,000?

300

What are the total costs of this monopoly producing?

What is $50?

300

Strategic interaction (mutual interdependence) is present in this type of economy:

Oligopoly

400

Sharon purchases two products, X and Y, with a given fixed budget. The marginal utility she receives from the last unit of X she consumes is 60 utils, and the marginal utility she receives from the last unit of Y she consumes is 30 utils. The price of X is $2.00, and the price of Y is $1.00. Is Sharon maximizing her utility? And if not, what should she buy more/less of?

What is she's maximizing her utility?

400

What are the total fixed costs of producing 10 units?

Refer to Diagram 2

What is $110?

400

Should the firm produce more, less, the same, or shut down if the market price is at $800?

Refer to Diagram 3

What is the same?

400

What is the quantity to
sell and price per unit that
this monopolist will
choose to maximize profits?
Refer to Diagram 4 

What is 5 units and $15?

400

In which market model does mutual interdependence (strategic
interaction) exist?

What is an Oligopoly?

500

What is the total utility obtained from
consuming 3 donuts and 5 cups of coffee?

Refer to Diagram 1

What is 328 utils?

500

What is the profit of producing 10 units?

Refer to Diagram 2

What is -$90?

500

Should the firm produce more, less, the same, or shut down if they are producing at a price of $500?

Refer to Diagram 3

What is shutting down?

500

What are the profits the monopoly makes?

Refer to Diagram 4

What is $25?

500

If the graphs represent the demand faced by a firm (firm demand). What is the order of the graphs, from the one that offers most control over price to the least
control over price?

Refer to Diagram 5

What is A, B, and C?