A+ Answers




QUESTION 1
Assume that a dress shirt is priced at $120.00 At that price six stores in a district sold 650 shirts in a week. Then all six stores declared a sale: buy one get one free. This advertisement increased the sale to 3050 shirt in the following week.
Calculate the price elasticity of demand and interpret your result.
Show all calculation and carry your work to 2 decimal points.
QUESTION 2
Assume the following demand and supply functions:
Demand: Q = 600 - .1P
Supply:  Q = -150 + .5P
(a). Calculate equilibrium price and quantify
(b). Now assume that a seller declares 20% sale on the market equilibrium price. What will happen?
(c). If a seller decides to charge 20% more price than the market equilibrium price, what will happen?



QUESTION 3
Discuss how each of the following will affect the market clearing price and quantity in each market. Discuss how the supply and/or demand curves will shift in the following cases (if at all).

a. Incomes rise and the good is a normal good.

b. The state of technology improves.
QUESTION 4
Is the concept of elasticity useful to managers and business owners? Why or why not? Explain with examples.
QUESTION 5
How do price controls affect the managerial decision-making process (either maximum or minimum price controls)?
QUESTION 6
The main difference between perfect competition and monopolistic competition is:
                        the number of sellers in the market.
                        the ease of exit from the market.
                        the difference in the firm's profits in the long run.
                        the degree of product differentiation.
QUESTION 7
Which of the following industries is most likely to represent the Monopolistic competition market structure?
                        The Agriculture industry
                        Utility Companies
                        Restaurants services
                        Tobacco products
QUESTION 8
If firms are earning economic profit in a monopolistically competitive market, which of the following is most likely to happen in the long run?
                        Some firms will leave the market.
                        Firms will join together to keep others from entering.
                        New firms will enter the market, thereby eliminating the economic profit.
                        Firms will continue to earn economic profit.
QUESTION 9
In the Kinked Demand curve model, price tends to settle at the kink because
                        MR=MC rule does not apply
                        there is no unique MR curve
                        the demand curve is inelastic throughout the range
                        none of the above
QUESTION 10
A Cartel is defined to be:
                        Any oligopolistic industry with fewer than 4 firms.
                        A form of oligopoly in which firms agree to sell at different prices like in monopolistic competition.
                        A form of oligopoly in which firms formally agree to establish a common price, in effect acting like a monopoly.
                        A form of oligopoly in which firms agree to compete with each other on an equal basis.
QUESTION 11
Which of the following is the best example of a product or service that provides a benefit externality?
                        the construction of a private road that allows vehicles if a toll is paid
                        a public library
                        a bookstore that is open 24 hours
                        the construction of a golf course in a private hotel
QUESTION 12
An example of a cost externality occurs when a mining company:
                        dumps waste in river upstream from a popular fishing spot
                        produces coal that is not in demanded in a recession
                        underpays its employees
                        overwork its employees
QUESTION 13
Which of the following may change the supply curve?
                        Taste of consumers
                        Income of consumers
                        Technology
                        Price of related goods
QUESTION 14
X and Y are substitute goods. X is put on sale "buy one get one free". This will lead to
                        an increase in demand for Y
                        a decrease in demand for Y
                        an increase in demand for X and Y
                        a decrease in demand for X and Y
QUESTION 15
Economic surplus is
                        demand price less equilibrium price
                        supply price above market price
                        consumer's surplus plus producer's surplus
                        none of the above
QUESTION 16
A monopsony is a market with
                        one seller
                        one buyer
                        one buyer and one seller
                        two to eight sellers
QUESTION 17
A bilateral monopoly is a condition characterized by
                        a perfect competition firm facing a monopsony
                        a monopolistic firm facing a monopoly
                        an oligopoly facing a monopsony
                        a monopsony facing a union
QUESTION 18
A price discriminating firm will charge the lowest price when price elasticity of demand is
                        lowest
                        highest
                        equal to 1
                        zero
QUESTION 19
P = MC holds for
                        all firms
                        monopoly
                        oligopoly
                        perfect competition
QUESTION 20
Oligopolists tend to
                        allocate resources inefficiently
                        maximize employment
                        maximize social benefit
                        all of the above
QUESTION 21
In the short run, a monopolist may
                        attract other firms into the industry
                        upgrade technology
                        incur loss
                        none of the above
QUESTION 22
The best defense of oligopolist in our economy is
                        new orders for consumer goods and materials
                        the rate of change in sensitive materials prices
                        investment in research and development
                        growth through merger
QUESTION 23
During recessionary periods, the sale of ground beef goes up. This indicates that
                        people have more time to make their own hamburgers during recessionary times
                        people have more time to be outdoor and cook hamburgers during recessionary times
                        ground beef is an inferior good
                        ground beef is a normal good
QUESTION 24
In both monopolistic competition and oligopoly market structures
                        there is easy entry and exit
                        consumers perceive differences among the products of various competitors
                        economic profits may be earned in the long run
                        there are many sellers
QUESTION 25
In the short run, a monopolistically competitive firm
                        always earns profit
                        earns profit higher than an oligopolistic firm
                        earns profit higher than a perfectly competitive firm
                        may or may not earn profit
QUESTION 26
If the price elasticity of demand is 2, a 50% sale on a product will
                        decrease total revenue
                        increase total revenue
                        keep total revenue constant
                        increase total revenue by 50%




QUESTION 27
Successful price discrimination requires
                        the ability to prevent transfers among customers in different submarkets
                        inelastic demand in each submarket
                        constant marginal costs
                        identical price elasticities among submarkets
QUESTION 28
There is no scope for price discrimination in
                        Oligopoly
                        monopolistic competition
                        monopoly
                        perfect competition
QUESTION 29
Which of the following is not an example of monopsony?
                        National Football League
                        National Basketball Association
                        A Public School District
                        College professors
QUESTION 30
Labor unions are able to secure higher than market wage for their members by
                        negotiation only
                        restricting supply and negotiation
                        resorting to strike for an indefinite period
                        law suits
QUESTION 31
The concept of homogeneous product is applicable in
                        Oligopoly
                        monopoly
                        monopolistic competition
                        perfect competition
QUESTION 32
A monopolistically competitive firm maintains its market share through
                        artificial product differentiation
                        relying on brand loyalty
                        non-price competition
                        all of the above
QUESTION 33
A short run production function is one where
                        at least one factor of production is fixed
                        all factors of production are fixed
                        capital may or may not be substituted for labor
                        none of the above
QUESTION 34
Resources are always efficiently used in
                        any market with some degree of competition
                        monopolistic competition
                        oligopoly because of high investment in R&D
                        perfect competition
QUESTION 35
A brand of computers is assembled in Thailand, which is experiencing labor strike for for almost three months. This is expected to
                        Increase the supply of this brand of computers
                        lower the wage rate of labor in Thailand in the short-run
                        increase the price of this brand of computers
                        all of the above
QUESTION 36
If the cross price elasticity of demand of X and Y is 1.22, the two goods are
                        complementary goods
                        inferior goods
                        substitute goods
                        independent goods
QUESTION 37
Compared to competition, a monopolist
                        produces more
                        charges a lower price
                        produces less
                        charges a higher price
QUESTION 38
Most public utilities in our economy enjoy a good degree of monopoly because of
                        government regulation
                        decreasing returns to scale
                        increasing returns to scale
                        constant returns to scale
QUESTION 39
The long run ATC is flatter in shape because
                        all inputs are fixed
                        there is a greater degree of substitution between inputs
                        input elasticity is limited
                        the long run is undefined
QUESTION 40
Which function of management is most concerned with risk minimization?
                        cost minimization
                        human resource management
                        complying with government regulations
                        entrepreneurial