What is the short-run cost function


Multiple choice Questions:

Part-1

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
In the linear breakeven model, the difference between selling price per unit and variable cost per unit is referred to as:
variable margin per unit
variable cost ratio
contribution margin per unit
target margin per unit

Question 3
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 4
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 5
In a study of banking by asset size over time, we can find which asset sizes are tending to become more prominent. The size that is becoming more predominant is presumed to be least cost. This is called:
regression to the mean analysis.
breakeven analysis.
survivorship analysis.
engineering cost analysis.
a Willie Sutton analysis.

Question 6
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 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
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 9
Long distance telephone service has become a competitive market. The average cost per call is $0.05 a minute, and it's declining. The likely reason for the declining price for long distance service is:
Governmental pressure to lower the price
Reduced demand for long distance service
Entry into this industry pushes prices down
Lower price for a barrel of crude oil
Increased cost of providing long distance service

Question 10
What is the profit maximization point for a firm in a purely competitive environment?
The output where P = MC
The output where P < MC
The output where P > MC
The output where MR = MC
The output where AVC < P

Question 11
In the purely competitive case, marginal revenue (MR) is equal to:
cost
profit
price
total revenue

Question 12
The price for used cars is well below the price of new cars of the same general quality. This is an example of:
The Degree of Operating Leverage
A Lemon's Market
Redeployment Assets
Cyclical Competition
The Unemployment Rate

Question 13
Uncertainty includes all of the following except ____.
unknown effects of deliberate actions
incomplete information as to the type of competitor
random disturbances
unverifiable claims
accidents due to weather hazards

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
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 16
The demand curve facing the firm in ____ is the same as the industry demand curve.
pure competition
monopolistic competition
oligopoly
pure monopoly

Question 17
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 18
Regulatory agencies engage in all of the following activities except _______.
controlling entry into the regulated industries
overseeing the quality of service provided by the firms
setting federal and state income tax rates on regulated firms
setting prices that consumers will pay

Question 19
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 20
A cartel is a situation where firms in the industry
have an agreement to restrict output.
agree to produce identical products.
obey the rules of dominant firm price leadership.
experience the pain of a kinked demand curve.
have a barometric price leader

Question 21
Even ideal cartels tend to be unstable because
firms typically prefer competition to collusion as competition, because it leads to more profits.
collusion leads to lowest possible overall profits in the industry.
oligopolistic managers are extremely risk loving.
firms can benefit by secretly selling more than they promised the other firms

Question 22
In the Cournot duopoly model, each of the two firms, in determining its profit-maximizing price-output level, assumes that the other firm's ____ will not change.
price
output
marketing strategy
inventory

Question 23
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 24
Which of the following is an example of an oligopolistic market structure?
public utilities
air transport industry
liquor retailers
wheat farmers

Question 25
In a kinked demand market, whenever one firm decides to lower its price,
other firms will automatically follow.
none of the other firms will follow.
one half of the firms follow and one half of the firms don't follow the price cut.
other firms all decide to exit the industry
all of the other firms raise their prices.

Part-2

Question 1
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 2
Which of the following is not an assumption of the linear breakeven model:
constant selling price per unit
decreasing variable cost per unit
fixed costs are independent of the output level
a single product (or a constant mix of products) is being produced and sold

Question 3
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 4
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 5
In a study of banking by asset size over time, we can find which asset sizes are tending to become more prominent. The size that is becoming more predominant is presumed to be least cost. This is called:
regression to the mean analysis.
breakeven analysis.
survivorship analysis.
engineering cost analysis.
a Willie Sutton analysis.

Question 6
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 7
A firm in pure competition would shut down when:
price is less than average total cost
price is less than average fixed cost
price is less than marginal cost
price is less than average variable cost

Question 8
Under asymmetric information,
you never get what you pay for
you sometimes get cheated
you always get cheated
at best you get what you pay for
sellers make profits in excess of competitive returns

Question 9
An "experience good" is one that:
Only an expert can use
Has undetectable quality when purchased
Can be readily experienced simply by touching or tasting
Improves with age, like a fine wine

Question 10
A "search good" 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 11
All of the following are mechanisms which reduce the adverse selection problem except ____.
warranties from established enterprises with non-redeployable assets
high interest rates
large collateral requirements
brand names and product-specific promotions and retail displays
higher prices in repeat customer transactions

Question 12
Asset specificity is largest when
value in first best use is large
value in second best use is large
customers choose their supplier at random
very valuable assets are non-redeployable
customers are loyal to a particular seller

Question 13
In the purely competitive case, marginal revenue (MR) is equal to:
cost
profit
price
total revenue

Question 14
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 15
Declining cost industries
have upward rising AC curves.
have upward rising demand curves.
have ∩-shaped total costs.
have diseconomies of scale.
have marginal cost curves below their average cost curve.

Question 16
The demand curve facing the firm in ____ is the same as the industry demand curve.
pure competition
monopolistic competition
oligopoly
pure monopoly

Question 17
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 18
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 19
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 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
A(n) ____ is characterized by a relatively small number of firms producing a product.
monopoly
syndicate
cooperative
oligopoly

Question 22
Some market conditions make cartels MORE likely to succeed in collusion. Which of the following will make collusion more successful?
The products are heterogeneous
The orders are small and frequent
The firms are all about the same size
Costs differ across the firms
Firms are geographically widely scattered

Question 23
Even ideal cartels tend to be unstable because
firms typically prefer competition to collusion as competition, because it leads to more profits.
collusion leads to lowest possible overall profits in the industry.
oligopolistic managers are extremely risk loving.
firms can benefit by secretly selling more than they promised the other firms

Question 24
Which of the following is an example of an oligopolistic market structure?
public utilities
air transport industry
liquor retailers
wheat farmers

Question 25
A cartel is a situation where firms in the industry
have an agreement to restrict output.
agree to produce identical products.
obey the rules of dominant firm price leadership.
experience the pain of a kinked demand curve.
have a barometric price leader

Part-3

Question 1
The starting point of many methods for predicting equilibrium strategy in sequential games is
designing proactive reactions to rival actions
information sets
uncertain outcomes
backwards induction based on an explicit order of play
endgame analysis

Question 2
When there is an Equilibrium (or a Nash Equilibrium), we expect that:
once the firm's get there, no one will change their strategy.
firms will tend to select a randomized strategy.
neither firm will care what it does.
this is always a dominated strategy.

Question 3
An illustration of a non-credible commitment is the promise
to not increase capacity in a declining industry
to match a new entrant's discount price
to enter a profitable industry
to restrain output to the quota assigned by a cartel
to exit in the face of projected losses.

Question 4
To trust a potential cooperator until the first defection and then never cooperate thereafter is
a dominant strategy
an irrational strategy
a grim trigger strategy
a non-cooperative finite game strategy
a subgame imperfect strategy

Question 5
The difference between cooperative and non-cooperative games is
cooperative games allow side payments to support collusion
non-cooperative games encourage communication of sensitive information between arms-length competitors
cooperative games involve randomized behavior
cooperative games necessitate an explicit order of play
inconsequential except when players have contractual relationships

Question 6
Vacation tours to Europe invariably package visits to disparate regions: cities, mountains, and the seaside. Bundling, a type of second degree price discrimination, is most profitable when:
the preference rankings of vacationers travelling together are negatively correlated.
a preference for cities is always higher than preferences for mountain vistas.
preference rankings of vacationers travelling together are positively correlated.
preference for the seaside is always higher than preferences for city excursions.

Question 7
Which of the following pricing policies best identifies when a product should be expanded, maintained, or discontinued?
full-cost pricing policy
target-pricing policy
marginal-pricing policy
market-share pricing policy
markup pricing policy

Question 8
____ is a new product pricing strategy which results in a high initial product price. This price is reduced over time as demand at the higher price is satisfied.
Prestige pricing
Price lining
Skimming
Incremental pricing

Question 9
Electricity pricing that varies in its billing expense throughout the day is called
full pricing
marginal cost pricing
dynamic pricing
variable pricing
full cost pricing pricing

Question 10
The following are possible examples of price discrimination, EXCEPT:
prices in export markets are lower than for identical products in the domestic market.
senior citizens pay lower fares on public transportation than younger people at the same time.
a product sells at a higher price at location A than at location B, because transportation costs are higher from the factory to A.
subscription prices for a professional journal are higher when bought by a library than when bought by an individual.

Question 11
Which of the following is not among the functions of contract?
to provide incentives for efficient reliance
to reduce transaction costs
to discourage the development of asymmetric information
to provide risk allocation mechanisms

Question 12
When someone contracts to do a task but fails to put full effort into the performance of an agreement, yet the lack of effort is not independently verifiable, this lack of effort constitutes a
breach of contractual obligations
denial of good guarantee
loss of reputation
moral hazard

Question 13
Which of the following are not approaches to resolving the principal-agent problem?
ex ante incentive alignment
deferred stock options
ex post governance mechanism
straight salary contracts
monitoring by independent outside directors

Question 14
To accomplish its purpose a linear profit-sharing contract must
induce the employee to moonlight
communicate a code of conduct that will be monitored and enforced
meet either the participation or the incentive compatibility constraint
establish a separating equilibrium
not realign incentives

Question 15
When retail bicycle dealers advertise and perform warranty repairs but do not deliver the personal selling message that Schwinn has designed as part of the marketing plan but cannot observe at less than prohibitive cost, the manufacturer has encountered a problem of ____.
reliance relationships
uncertainty
moral hazard
creative ingenuity
insurance reliance

Question 16
The antitrust laws regulate all of the following business decisions except ____.
collusion
mergers
monopolistic practices
price discrimination
wage levels

Question 17
The sentiment for increased deregulation in the late 1970's and early 1980's has been felt most significantly in the price regulation of
coal
grain
transportation
automobiles
electric power generation

Question 18
The ____ is equal to the some of the squares of the market shares of all the firms in an industry.
market concentration ratio
Herfindahl-Hirschman index
correlation coefficient
standard deviation of concentration

Question 19
The Herfindahl-Hirschman index (also shortened to just the Herfindahl index) is a measure of ____.
market concentration
income distribution
technological progressiveness
price discrimination

Question 20
____ occurs whenever a third party receives or bears costs arising from an economic transaction in which the individual (or group) is not a direct participant.
Pecuniary benefits and costs
Externalities
Intangibles
Monopoly costs and benefits

Question 21
All of the following except ____ are shortcomings of cost-benefit analysis.
difficulty in measuring third-party costs
difficulty in measuring third-party benefits
failure to consider the time value of benefits and costs
difficulty of accounting for program interactions

Question 22
In the constant-growth dividend valuation model, the required rate of return on common stock (i.e., cost of equity capital) can be shown to be equal to the sum of the dividend yield plus the ____.
yield-to-maturity
present value yield
risk-free rate
dividend growth rate

Question 23
Capital expenditures:
are easily reversible
are forms of operating expenditures
Affect long-run future profitability
Involve only money, not machinery

Question 24
Which of the following would not be classified as a capital expenditure for decision-making purposes?
purchase of a building
investment in a new milling machine
purchase of 90-day Treasury Bills
investment in a management training program

Question 25
Which of the following should not be counted in a cost-benefit analysis?
direct benefits and costs
real secondary benefits
technological secondary costs
pecuniary benefits
intangibles

Part-4

Question 1
In a game, a dominated strategy is one where:
It is always the best strategy
It is always the worst strategy
It is the strategy that is the best among the group of worst possible strategies.
Is sometimes the best and sometimes the worst strategy

Question 2
Cooperation in repeated prisoner's dilemma situations seems to be enhanced by all of the following except
limited punishment schemes
clarity of conditional rewards
grim trigger strategy
provocability--i.e., credible threats of punishment
tit for tat strategy

Question 3
Consider the game known as the Prisoner's Dilemma. What's the dilemma?
By both not confessing, both get to the cooperative solution and minimize time in prison.
By both confessing, both get to the noncooperative solution and both serve significant time in prison.
As a group, they are better off cooperating by not confessing, but each player has an incentive to be first to confess in a double cross.
The problem is that the spies should never have been caught; they should move to Rio.

Question 4
To trust a potential cooperator until the first defection and then never cooperate thereafter is
a dominant strategy
an irrational strategy
a grim trigger strategy
a non-cooperative finite game strategy
a subgame imperfect strategy

Question 5
When airlines post prices on an electronic bulletin board at 8:00 a.m. each morning, the decision-makers are engaged in
a single play game
a sequential game
an entry decision
a simultaneous game
an infinite repetition game

Question 6
The following are possible examples of price discrimination, EXCEPT:
prices in export markets are lower than for identical products in the domestic market.
senior citizens pay lower fares on public transportation than younger people at the same time.
a product sells at a higher price at location A than at location B, because transportation costs are higher from the factory to A.
subscription prices for a professional journal are higher when bought by a library than when bought by an individual.

Question 7
____ is a new product pricing strategy which results in a high initial product price. This price is reduced over time as demand at the higher price is satisfied.
Prestige pricing
Price lining
Skimming
Incremental pricing

Question 8
____ is the price at which an intermediate good or service is transferred from the selling to the buying division within the same firm.
Incremental price
Marginal price
Full-cost price
Transfer price

Question 9
Third-degree price discrimination exists whenever:
the seller knows exactly how much each potential customer is willing to pay and will charge accordingly.
different prices are charged by blocks of services.
the seller can separate markets by geography, income, age, etc., and charge different prices to these different groups.
the seller will bargain with buyers in each of the markets to obtain the best possible price.

Question 10
To maximize profits, a monopolist that engages in price discrimination must allocate output in such a way as to make identical the ____ in all markets.
ratio of price to marginal cost
ratio of marginal cost to marginal utility
ratio of price to elasticity
marginal revenue

Question 11
Which of the following is not among the functions of contract?
to provide incentives for efficient reliance
to reduce transaction costs
to discourage the development of asymmetric information
to provide risk allocation mechanisms

Question 12
Non-redeployable durable assets that are dependent upon unique complementary and perfectly redeployable assets to achieve substantial value-added will typically be organized as
an export trading company
a spot market contract
a vertically integrated firm
an on-going relational contract
a joint stock company.

Question 13
When retail bicycle dealers advertise and perform warranty repairs but do not deliver the personal selling message that Schwinn has designed as part of the marketing plan but cannot observe at less than prohibitive cost, the manufacturer has encountered a problem of ____.
reliance relationships
uncertainty
moral hazard
creative ingenuity
insurance reliance

Question 14
Which of the following are not approaches to resolving the principal-agent problem?
ex ante incentive alignment
deferred stock options
ex post governance mechanism
straight salary contracts
monitoring by independent outside directors

Question 15
Buying electricity off the freewheeling grid at one quarter 'til the hour for delivery on the hour illustrates:
relational contracts with distributors
vertical requirements contracts
spot market transactions
variable price agreements

Question 16
The antitrust laws regulate all of the following business decisions except ____.
collusion
mergers
monopolistic practices
price discrimination
wage levels

Question 17
The ____ is equal to the some of the squares of the market shares of all the firms in an industry.
market concentration ratio
Herfindahl-Hirschman index
correlation coefficient
standard deviation of concentration

Question 18
____ occurs whenever a third party receives or bears costs arising from an economic transaction in which the individual (or group) is not a direct participant.
Pecuniary benefits and costs
Externalities
Intangibles
Monopoly costs and benefits

Question 19
The lower the barriers to entry and exit, the more nearly a market structure fits the ____ market model.
monopolistic competition
perfectly contestable
oligopoly
monopoly

Question 20
The Herfindahl-Hirschman index (also shortened to just the Herfindahl index) is a measure of ____.
market concentration
income distribution
technological progressiveness
price discrimination

Question 21
Any current outlay that is expected to yield a flow of benefits beyond one year in the future is:
a capital gain
a wealth maximizing factor
a capital expenditure
a cost of capital
a dividend reinvestment

Question 22
In order to help assure that all relevant factors will be considered, the capital-expenditure selection process should include the following steps except:
generating alternative capital-investment project proposals
estimating cash flows for the project proposals
reviewing the investment projects after they have been implemented
allocate manpower to the various divisions within the firm

Question 23
Cost-benefit analysis is the public sector counterpart to ____ used in private, profit-oriented firms.
ratio analysis
break-even analysis
capital budgeting techniques
economic forecasting

Question 24
The decision by the Municipal Transit Authority to either refurbish existing buses, buy new large buses, or to supplement the existing fleet with mini-buses is an example of:
independent projects
mutually exclusive projects
contingent projects
separable projects

Question 25
If the acceptance of Project A makes it impossible to accept Project B, these projects are:
contingent projects
complementary projects
mutually inclusive projects
mutually exclusive projects

Request for Solution File

Ask an Expert for Answer!!
Microeconomics: What is the short-run cost function
Reference No:- TGS01846779

Expected delivery within 24 Hours