# ECON 102 EXAM 2

(12 Points)

You are operating a firm in a perfectly competitive market. In the short
run, you have fixed costs of \$30. Your variable costs are given in the
following table:

Q

TVC

0

0

1

70

2

120

3

150

4

190

5

270

6

360

Complete the following table:

Market Price

Profit maximizing
level of output

Profit

\$48

\$52

\$75

\$85

2.
(10 Points)

A monopolist faces a demand curve given by:
P = 105 â 3Q, where P is
the price of the good and Q is the quantity demanded. The marginal cost
of production is constant and is equal to \$15. There are no fixed costs
of production.
A) (2 points) What
quantity should the monopolist produce in order to maximize profit?
B) (2 points) What price
should the monopolist charge in order to maximize profit?
C) (2 points) How much
profit will the monopolist make?
D) (2 points) What is
the deadweight loss created by this monopoly (hint: compare the monopoly
outcome with the perfectly competitive outcome).
E) (2 points) If the
market were perfectly competitive, what quantity would be produced?

3.
(6 Points)

List the three conditions that must be met in order for a firm to successfully
engage in price discrimination.
4.
(12 Points)

Suppose a competitive firm can sell its output for \$6 per unit. The
following table gives the firmâs short run production function.

Labor

Output

0

0

1

20

2

50

3

90

4

110

5

120

6

124

In the table below, you
will determine several points on the firmâs demand curve for labor. To do
this, you must determine how many workers the firm should hire for different
values of the wage rate in order to maximize profit. Complete the table
below:

Wage Rate Per Worker

Quantity Demanded of
Workers

\$50

\$80

\$100

\$150

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