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We say that the demand for labor is a derived demand because


A) labor is a necessary input in the production of every good or service.
B) we demand the product that labor helps produce rather than labor service per se.
C) the forces of supply and demand do not apply directly to labor markets.
D) labor is hired using the MRP = MRC rule.

E) B) and C)
F) A) and D)

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The strength of the demand for a resource depends on the following factors, except the


A) supply of the resource.
B) productivity of the resource.
C) price of the product the resource helps to produce.
D) demand for the product the resource helps to produce.

E) A) and C)
F) C) and D)

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Harry owns a barbershop and charges $6 per haircut. By hiring one barber at $10 per hour, the shop can provide 24 haircuts per eight-hour day. By hiring a second barber at the same wage rate, the shop can now provide a total of 42 haircuts per day. The MRP of the second barber is


A) 18 haircuts.
B) $108.
C) 42 haircuts.
D) $126.

E) C) and D)
F) B) and C)

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An employer hiring in a competitive labor market should hire additional labor as long as


A) the MRP exceeds the wage rate.
B) the wage rate is less than MP.
C) average product exceeds MP.
D) MC exceeds MR.

E) A) and B)
F) All of the above

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Suppose capital and labor are used in fixed proportions so that each machine requires only one worker. If a decline in the price of capital occurs, then the demand for labor will


A) decrease solely because of the substitution effect.
B) increase solely because of the substitution effect.
C) increase solely because of the output effect.
D) decrease solely because of the output effect.

E) All of the above
F) C) and D)

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Assume Manfred's Shoe Shine Parlor hires labor, its only variable input, under purely competitive conditions. Shoe shines are also sold competitively.  Units of Labor  Total Product  Marginal  Product  Total  Revenue 0011414$422103309043553911761267442132\begin{array} {| c | c | c | c|} \text { Units of Labor } & \text { Total Product } & \begin{array} { c } \text { Marginal } \\\text { Product }\end{array} & \begin{array} { c } \text { Total } \\\text { Revenue }\end{array} \\\hline 0 & 0 & & \\\hline 1 & 14 & 14 & \$ 42 \\\hline 2 & & 10 & \\\hline 3 & 30 & & 90 \\\hline 4 & 35 & & \\\hline 5 & 39 & & 117 \\\hline 6 & & & 126 \\\hline 7 & 44 & 2 & 132 \\\hline\end{array} If the wage rate is $11 and Manfred's only fixed input is capital, the total cost of which is $30, then what will be his economic profit?


A) $62
B) $42
C) $28
D) $32

E) A) and C)
F) C) and D)

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According to the marginal productivity theory of resource demand, the labor-demand schedule for a producer selling in a purely competitive market is


A) the same as the marginal resource cost schedule.
B) the same as the marginal productivity schedule.
C) the same as the marginal revenue product schedule.
D) independent of the value of the product being produced.

E) A) and B)
F) B) and D)

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Critics of the marginal productivity theory of income distribution claim that the theory is flawed because of


A) the law of diminishing returns.
B) the existence of imperfect competition, such as of monopoly and monopsony, in output and resource markets.
C) the problem of comparing different kinds of resources, such as capital and labor.
D) government policies that redistribute income.

E) A) and C)
F) A) and B)

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Producers should hire resources until the total output of each is equal.

A) True
B) False

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A firm's demand schedule for a resource is the firm's marginal product schedule for the resource.

A) True
B) False

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Assume Manfred's Shoe Shine Parlor hires labor, its only variable input, under purely competitive conditions. Shoe shines are also sold competitively.  Units of Labor  Total Product  Marginal  Product  Total  Revenue 0011414$422103309043553911761267442132\begin{array} {| c | c | c | c|} \text { Units of Labor } & \text { Total Product } & \begin{array} { c } \text { Marginal } \\\text { Product }\end{array} & \begin{array} { c } \text { Total } \\\text { Revenue }\end{array} \\\hline 0 & 0 & & \\\hline 1 & 14 & 14 & \$ 42 \\\hline 2 & & 10 & \\\hline 3 & 30 & & 90 \\\hline 4 & 35 & & \\\hline 5 & 39 & & 117 \\\hline 6 & & & 126 \\\hline 7 & 44 & 2 & 132 \\\hline\end{array} What is the marginal product of the sixth worker?


A) 2 units
B) 3 units
C) 4 units
D) 5 units

E) A) and B)
F) A) and C)

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Suppose a competitive firm in both the resource and product markets is using inputs such that the marginal product of labor is 16 and the price of labor is $4 per unit, while the marginal product of capital is 12 and the price of capital is $3 per unit. At the maximum profit equilibrium point, the price of the product is


A) $3.
B) $4.
C) $0.25.
D) between $3 and $4.

E) None of the above
F) A) and B)

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If the wage rate increases,


A) a purely competitive producer will hire less labor, but an imperfectly competitive producer will not.
B) an imperfectly competitive producer will hire less labor, but a purely competitive producer will not.
C) a purely competitive producer and an imperfectly competitive producer will both hire less labor.
D) an imperfectly competitive producer may find it profitable to hire either more or less labor.

E) A) and D)
F) All of the above

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Other things equal, the relationship between the relative importance of a given type of labor in a firm's total costs and the elasticity of demand for that labor is such that the


A) demand for labor will be elastic only if labor accounts for less than 50 percent of total costs.
B) demand for labor will be elastic only if labor accounts for 50 percent or more of total costs.
C) larger the labor cost to total cost ratio, the smaller will be the elasticity of labor demand.
D) larger the labor cost to total cost ratio, the greater will be the elasticity of labor demand.

E) C) and D)
F) B) and D)

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Assume that a purely competitive firm uses two resources, labor (L) and capital (C) , to produce a product. In which situation would the firm be maximizing profit?  MRPL  MRPC  PL  PC  A 20406080B20402040C30302020D60802010\begin{array}{|c|c|c|c|c|}\hline & \text { MRPL } & \text { MRPC } & \text { PL } & \text { PC } \\\hline \text { A } & 20 & 40 & 60 & 80 \\\hline \mathrm{B} & 20 & 40 & 20 & 40 \\\hline \mathrm{C} & 30 & 30 & 20 & 20 \\\hline \mathrm{D} & 60 & 80 & 20 & 10 \\\hline\end{array}


A) A
B) B
C) C
D) D

E) B) and C)
F) All of the above

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The marginal revenue product schedule is


A) the same whether the firm is selling in a purely competitive or imperfectly competitive market.
B) the firm's resource demand schedule.
C) the firm's resource supply schedule.
D) upsloping.

E) B) and C)
F) All of the above

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Which of the following occupations is projected to be the fastest growing in the U.S. in terms of percentage increases?


A) medical assistants
B) occupational therapy assistants
C) wind turbine service technicians
D) statisticians

E) All of the above
F) A) and B)

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The equation MPL / PL = MPC / PC


A) designates the MR = MC level of output.
B) assumes imperfect competition in the hiring of labor and capital.
C) is a sufficient condition for the maximization of profits.
D) is a necessary, but not sufficient, condition for the maximization of profits.

E) A) and B)
F) None of the above

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In a competitive resource market, a decrease in the demand for a productive resource, ceteris paribus, will cause all of the following except a(n)


A) decrease in the price of the resource.
B) increase in the price of the resource.
C) decrease in the total income earned by all units of the resource.
D) decrease in the number of units of the resource that are employed.

E) A) and C)
F) A) and B)

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A computer manufacturer's elasticity of demand for labor is not likely to be affected by the


A) supply of computers.
B) price elasticity of demand for computers.
C) ratio of labor cost to other resource costs in the firm.
D) ease of substituting capital for labor in producing computers.

E) A) and D)
F) A) and C)

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