ECO 550 Final Exam
Question 1
The degree of operating leverage is equal to the ____ change in
____ divided by the ____ change in ____.
percentage; sales; percentage; EBIT
unit; sales; unit; EBIT
percentage; EBIT; percentage; sales
unit; EBIT; unit; sales
Question 2
George Webb Restaurant collects on the average $5 per customer at
its breakfast & lunch diner. Its variable cost per customer averages $3,
and its annual fixed cost is $40,000. If George Webb wants to make a
profit of $20,000 per year at the diner, it will have to serve__________
customers per year.
10,000 customers
20,000 customers
30,000 customers
40,000 customers
50,000 customers
Question 3
The short-run cost function is:
where all inputs to the production process are variable
relevant to decisions in which one or more inputs to the
production process are fixed
not relevant to optimal pricing and production output decisions
crucial in making optimal investment decisions in new production
facilities
Question 4
Theoretically, in a long-run cost function:
all inputs are fixed
all inputs are considered variable
some inputs are always fixed
capital and labor are always combined in fixed proportions
Question 5
In the linear breakeven model, the breakeven sales volume (in
dollars) can be found by multiplying the breakeven sales volume (in units) by:
one minus the variable cost ratio
contribution margin per unit
selling price per unit
standard deviation of unit sales
Question 6
A ____ total cost function implies that marginal costs ____ as
output is increased.
linear; increase linearly
quadratic; are constant
cubic; increase linearly
linear; are constant
Question 7
If price exceeds average costs under pure competition, ____ firms
will enter the industry, supply will ____, and price will be driven ____.
more; decrease; down
more; decrease; up
more; increase; down
more; increase; up
Question 8
Buyers anticipate that the temporary warehouse seller of unbranded
computer equipment will
deliver high quality products consistent with expectations
not attempt to establish any warranty enforcement mechanisms
offer several prices and qualities
produce only one quality
Question 9
In the long-run, firms in a monopolistically competitive industry
will
earn substantial economic profits
tend to just cover costs, including normal profits
seek to increase the scale of operations
seek to reduce the scale of operations
Question 10
The problems of asymmetric information exchange arise ultimately
because
one party to the exchange possesses different information than
another
one party has more information than another
one party knows nothing
one party cannot independently verify the information of another
information is scarce
Question 11
A âsearch goodâ is:
One that depends on how the product behaves over time
A product whose quality is only found out over time by finding how
durable it is
Like a peach that can be examined for flaws
Like a used car, since it is easy to determine its inherent
quality
Question 12
What is the profit maximization point for a firm in a purely
competitive environment?
The output where
The output where P < MC
The output where P > MC
The output where
The output where AVC < P
Question 13
In the short-run for a purely competitive market, a manufacturer
will stop production when:
the total revenue is less than total costs
the contribution to fixed costs is zero or less
the price is greater than AVC
operating at a loss
Question 14
The practice by telephone companies of charging lower
long-distance rates at night than during the day is an example of:
inverted block pricing
second-degree price discrimination
peak-load pricing
first-degree price discrimination
none of the above
Question 15
Of the following, which is not an economic rationale for public
utility regulation?
production process exhibiting increasing returns to scale
constant cost industry
avoidance of duplication of facilities
protection of consumers from price discrimination
Question 16
When the cross elasticity of demand between one product and all
other products is low, one is generally referring to a(n) ____ situation.
oligopoly
monopoly
pure competition
substitution
monopolistic competition
Question 17
In natural monopoly, AC continuously declines due to economies in
distribution or in production, which tends to found in industries which face
increasing returns to scale. If price were set equal to marginal cost,
then:
price would equal average cost.
price would exceed average cost.
price would be below average cost.
price would be at the profit maximizing level for natural monopoly
Question 18
____ as practiced by public utilities is designed to encourage
greater usage and therefore spread the fixed costs of the utilityâs plant over
a larger number of units of output.
Peak load pricing
Inverted block pricing
Block pricing
First degree price discrimination
Question 19
In the electric power industry, residential customers have
relatively ____ demand for electricity compared with large industrial
users. But contrary to price discrimination, large industrial users
generally are charged ____ rates.
similar, similar
elastic, lower
elastic, higher
inelastic, lower
inelastic, higher
Question 20
The existence of a kinked demand curve under oligopoly conditions
may result in
volatile prices
competitive pricing.
prices above the monopoly price.
an increase in the coefficient of variation of prices.
price rigidity
Question 21
Which of the following is an example of an oligopolistic market
structure?
public utilities
air transport industry
liquor retailers
wheat farmers
Question 22
In the Cournot duopoly model, each of the two firms, in
determining its profit-maximizing price-output level, assumes that the other
firmâs ____ will not change.
price
output
marketing strategy
inventory
Question 23
A(n) ____ is characterized by a relatively small number of firms
producing a product.
monopoly
syndicate
cooperative
oligopoly
Question 24
Some industries that have rigid prices. In those industries,
we tend to
find that output
is also rigid over the business cycle
find that output varies greatly over the business cycle
find the employment in these industries is quite stable over the
business cycle
find that the rate of return is negative in boom times
Question 25
Barometric price leadership exists when
one firm in the industry initiates a price change and the others
follow it as a signal of changes in cost or demand in the industry.
one firm imposes its best price on the rest of the industry.
all firms agree to change prices simultaneously.
one company forms a price umbrella for all others.
the firms are all colluding.