question
a firm has a production function f. if for each pair (L,K), f(2L, 2K), we say the firm has:
none of above
increasing returns to scale
non-constant returns to scale
decreasing returns to scale
constant returns to scale
none of above
increasing returns to scale
non-constant returns to scale
decreasing returns to scale
constant returns to scale
answer
constant returns to scale
question
the following production functions satisfies increasing returns to scale: f(L,K)=100LK. T/F
answer
true
question
Consider a Cobb-Douglas production function f(L, K)= ALαKβ, where A, α and β are positive constants. Then, f has increasing returns to scale if:
a+B>1
a+B=0
a+B<1
a+B=1
a+B>1
a+B=0
a+B<1
a+B=1
answer
a+B>1
question
Consider a Cobb-Douglas production function f(L, K)= AL2/3Kβ, where A and β are positive constants. Then, f has constant returns to scale if and only if:
Aβ+2=1
β=1/3
A=2
A+β<1
A+β>1
Aβ+2=1
β=1/3
A=2
A+β<1
A+β>1
answer
β=1/3
question
Consider a firm that has production function f(L,K)=5L1/3K2/3. Does this production function satisfy the law of decreasing marginal returns of capital?
True
False
True
False
answer
true
question
Consider a call center with production function f(L,K)=30L+300K, where L is units of labor and K is units of capital. Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). Suppose that K=2. For which amounts of labor is the Average Product of Labor equal to 10?
There is no level of labor for which APL is equal to 10.
Between 21 and 30
Between 31 and 40
Between 11 and 20
Between 1 and 10
There is no level of labor for which APL is equal to 10.
Between 21 and 30
Between 31 and 40
Between 11 and 20
Between 1 and 10
answer
there is no level of labor for which APL is equal to 10
question
Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). From the graph we learn that for the corresponding K:
APL(5,K)=40
APL(L,K) is decreasing in all the range of L shown in the figure.
APL(5,K)=205
APL(5,K)=100
APL(5,K)=52
APL(5,K)=40
APL(L,K) is decreasing in all the range of L shown in the figure.
APL(5,K)=205
APL(5,K)=100
APL(5,K)=52
answer
APL(5,K)=40
question
Consider a newspaper with production function f(L,K)= 4min{L,K}, where L is the units of labor and K the units of capital they use. Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). Is the Average Product of Labor always equal to the Average Product of Capital for this firm?
No.
Yes.
No.
Yes.
answer
no
question
Consider a firm whose production function is f(L,K)=ALaKb. Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). For which values of A, L,K, a, and b is the Average Product of Labor for this company equal to the Marginal Product of Labor?
a=1 and any values of b, L, and K.
a+b>1, a<1, and any values of b, L, and K.
a=1/2, b=1/2, L=1, and K=3.
a+b<1, a>0, b>0, and any values of L and K.
a+b=1, b>0, and any values of L and K.
a=1 and any values of b, L, and K.
a+b>1, a<1, and any values of b, L, and K.
a=1/2, b=1/2, L=1, and K=3.
a+b<1, a>0, b>0, and any values of L and K.
a+b=1, b>0, and any values of L and K.
answer
a=1 and any values of b, L, and K.
question
Consider a firm whose production function is f(L,K)=5L1/2K1/2. Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). If K is equal to 1, for what level of labor is the Average Product of Labor equal to 1?
25
5
For no level of labor APL is equal to 1.
1
15
25
5
For no level of labor APL is equal to 1.
1
15
answer
25
question
A firm has production function f(L,K,M)=L+K2+4M, where L is units of labor, K is units of capital, and M is units of materials. If this firm uses 100 units of labor, 40 units of capital, and 100 units of materials, what is the maximal number of units that they can produce?
2200
1250
2100
3200
1200
2200
1250
2100
3200
1200
answer
2100
question
A firm's production function associates with each combination of inputs (L,K):
The maximal amount of capital that the firm is able to produce with (L,K).
The maximal amount of output that the firm is able to produce with (L,K).
The minimal amount of capital that the firm needs to produce with (L,K).
The maximal amount of labor that the firm is able to produce with (L,K).
The minimal amount of labor that the firm needs to produce with (L,K).
The maximal amount of capital that the firm is able to produce with (L,K).
The maximal amount of output that the firm is able to produce with (L,K).
The minimal amount of capital that the firm needs to produce with (L,K).
The maximal amount of labor that the firm is able to produce with (L,K).
The minimal amount of labor that the firm needs to produce with (L,K).
answer
The maximal amount of output that the firm is able to produce with (L,K).
question
A call center has a production function: f(L,K)=40L+200K. The maximal number of calls that the call center may receive given that L=1 and K=2 is?
400
480
300
440
280
400
480
300
440
280
answer
440
question
Suppose that a firm has a production function f(L,K)=min{2L,K}. From the following combination of labor and capital (L,K), which one belongs to the same iso-quant as (3,90)?
(90,4)
(15,15)
(3,5)
(30,3)
(5,6)
(90,4)
(15,15)
(3,5)
(30,3)
(5,6)
answer
(5,6)
question
A call center employs workers and automatic answering machines. Each worker is able to answer a maximum of 5 calls per hour (6 hours a day; a total of 30 calls per day); each automatic answering machine is able to answer a maximum of 10 calls per hour (24 hours a day; a total of 240 calls a day).Denote the number of workers employed by the company by L and the number of automatic answering machines employed by the company by K. The firm's daily production function is?
f(L,K) = 240K
f(L,K) = 30L + 240K
f(L,K) = max {30L, 240K}
f(L,K) = min {30L, 240K}
f(L,K) = 30L
f(L,K) = 240K
f(L,K) = 30L + 240K
f(L,K) = max {30L, 240K}
f(L,K) = min {30L, 240K}
f(L,K) = 30L
answer
f(L,K) = 30L + 240K
question
A firm has a production function that has strictly increasing returns to scale. That is, for any combination of factors, say (L,K), f(2L,2K)>2f(L,K). Their cost of producing 500 units of their product is $100,000.00. From the following options, which can be the cost of producing 1000 units?
$395,000.00
$215,000.00
$190,000.00
$210,000.00
$200,000.00
$395,000.00
$215,000.00
$190,000.00
$210,000.00
$200,000.00
answer
$190,000.00
question
A firm has a production function satisfying constant returns to scale (there is free entry in the industry in which it operates). Their cost of producing 100 units of their product is $200,000.00. What is their cost of producing 500 units?
$20,000,000.00
$1,000,000.00
$425,000.00
$40,000.00
$50,000.00
$20,000,000.00
$1,000,000.00
$425,000.00
$40,000.00
$50,000.00
answer
$1,000,000.00
question
The MRTSLK(L,K) for a certain firm is constant and equal to 2. Then, if the firm substitutes 2 units of labor for one unit of capital?
Production decreases
Production increases
The Marginal product of labor decreases
Production remains constant
The Marginal product of labor increases
Production decreases
Production increases
The Marginal product of labor decreases
Production remains constant
The Marginal product of labor increases
answer
production increases
question
The marginal rate of technical substitution of L for K at (L,K) is equal to?
The partial derivative of the marginal revenue with respect to capital.
The absolute value of the slope of the tangent to the iso-quant through (L,K) at (L,K)
The ratio between MPK(L,K)/MPL(L,K).
The negative of the slope of the tangent to the indifference curve through (L,K) at (L,K)
The maximal amount of labor that can be substituted with an additional unit of capital so production remains constant.
The partial derivative of the marginal revenue with respect to capital.
The absolute value of the slope of the tangent to the iso-quant through (L,K) at (L,K)
The ratio between MPK(L,K)/MPL(L,K).
The negative of the slope of the tangent to the indifference curve through (L,K) at (L,K)
The maximal amount of labor that can be substituted with an additional unit of capital so production remains constant.
answer
the absolute value of the slope of the tangent to the iso-quant through (L,K) at (L,K)
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Then, the amount of labor necessary to produce q units is?
L(q,12)= 3q/8-2
L(q,12)= q/3-32
L(q,12)= q/36-8
L(q,12)= q2/3-24
L(q,12)= q-24
L(q,12)= 3q/8-2
L(q,12)= q/3-32
L(q,12)= q/36-8
L(q,12)= q2/3-24
L(q,12)= q-24
answer
L(q,12)= q/3-32
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Assume also that the price of capital r=10 and the price of labor w=3. Then, the variable cost of producing q units is?
VC(q)=q-96
VC(q)=q/12-32
VC(q)=9q/8-6
VC(q)=q2-96
VC(q)=3q-96
VC(q)=q-96
VC(q)=q/12-32
VC(q)=9q/8-6
VC(q)=q2-96
VC(q)=3q-96
answer
VC(q)=q-96
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Assume also that the price of capital r=10 and the price of labor w=3. Then, the cost of producing q units is?
C(q)=114+9q/8
C(q)=88+q/12
C(q)=24+3q
C(q)=24+q
C(q)=24+q2
C(q)=114+9q/8
C(q)=88+q/12
C(q)=24+3q
C(q)=24+q
C(q)=24+q2
answer
C(q)=24+q
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Assume also that the price of capital r=5 and the price of labor w=3. Then, the marginal cost of producing q units is?
MC(q)= 2q/3.
MC(q)=q2/3.
MC(q)=3q2.
MC(q)=2q/9.
MC(q)=q2.
MC(q)= 2q/3.
MC(q)=q2/3.
MC(q)=3q2.
MC(q)=2q/9.
MC(q)=q2.
answer
MC(q)=q2/3.
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Assume also that the price of capital r=5 and the price of labor w=3. Then, the average cost of producing q units is?
AC(q)=1/3q+q2/3.
AC(q)=5/q+q2/9.
AC(q)=10/q+q2.
AC(q)=2/3q+q/3.
AC(q)=3/q+q/9.
AC(q)=1/3q+q2/3.
AC(q)=5/q+q2/9.
AC(q)=10/q+q2.
AC(q)=2/3q+q/3.
AC(q)=3/q+q/9.
answer
AC(q)=5/q+q2/9.
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Assume also that the price of capital r=5 and the price of labor w=3. Then, the average fixed cost of producing q units is?
AF(q)=2/3q.
AF(q)=5/q.
AF(q)=1/3q.
AF(q)=3/q.
AF(q)=10/q.
AF(q)=2/3q.
AF(q)=5/q.
AF(q)=1/3q.
AF(q)=3/q.
AF(q)=10/q.
answer
AF(q)=5/q
question
The Economic Profit is:
Revenue + Economic Cost
Revenue + Accounting Cost
Revenue
Revenue - Economic Cost
Revenue - Accounting Cost
Revenue + Economic Cost
Revenue + Accounting Cost
Revenue
Revenue - Economic Cost
Revenue - Accounting Cost
answer
revenue - economic cost
question
John manages his own company and receives $35,000 a year for it. The best salary that John would be able to find in a different company is $90,000 a year. The economic cost of John's labor is:
$40,000 per year
$90,000 per year
$55,000 per year
$125,000 per year
$60,000 per year
$40,000 per year
$90,000 per year
$55,000 per year
$125,000 per year
$60,000 per year
answer
$90,000 per year
question
The following production function represents an industry in which there is free entry: f(L,K)=100L1/2K1/3.
True
False
True
False
answer
false
question
The following production function satisfies increasing returns to scale: f(L,K)=100LK.
True
False
True
False
answer
true
question
A call center has a production function: f(L,K)= 30L + 240K. What is the Marginal Product of Labor when L=1200 and K=1?
360000
240
30
360240
240
360000
240
30
360240
240
answer
30
question
The economic cost of education of a student is the summation of all the economic cost of the resources used by the student in order to obtain his or her education. This includes the time the student dedicates to study. Consider Juana's case. Her tuition is $32,000.00 per year; Juana works part time on a Bookstore and receives $10,000.00 a year for it; if she were going to drop out of college and work full time, Juana would receive $22,000.00 a year. The economic cost of Juana's education (per year) is?
$12,000.00
$42,000.00
$32,000.00
$54,000.00
$44,000.00
$12,000.00
$42,000.00
$32,000.00
$54,000.00
$44,000.00
answer
$44,000.00
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Then, the amount of labor necessary to produce q units is?
L(q,1)=q2/9
L(q,1)=q3/27
L(q,1)=q2/27
L(q,1)=q3/3
L(q,1)=q3/9
L(q,1)=q2/9
L(q,1)=q3/27
L(q,1)=q2/27
L(q,1)=q3/3
L(q,1)=q3/9
answer
L(q,1)=q3/27
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Assume also that the price of capital r=5 and the price of labor w=3. Then, the cost of producing q units is?
C(q)=2/3+q2/3.
C(q)=5+q3/9.
C(q)=3+q2/9.
C(q)=1/3+q3/3.
C(q)=10+q3.
C(q)=2/3+q2/3.
C(q)=5+q3/9.
C(q)=3+q2/9.
C(q)=1/3+q3/3.
C(q)=10+q3.
answer
C(q)=5+q3/9
question
Consider a firm that has production function f(L,K)=5L1/3K2/3. What is the expression for the marginal rate of technical substitution MRTSLK at (L,K)?
2K/L
K/2L
K/10L
10K/L
K/L
2K/L
K/2L
K/10L
10K/L
K/L
answer
K/2L
question
A call center has a production function: f(L,K)=40L+200K. If capital is fixed at K=2, what is the expression for the maximal production as a function of labor?
f(L,2)=40L+40
f(L,2)=80L+400
f(L,2)=20L+200
f(L,2)=80L+800
f(L,2)=40L+400
f(L,2)=40L+40
f(L,2)=80L+400
f(L,2)=20L+200
f(L,2)=80L+800
f(L,2)=40L+400
answer
f(L,2)=40L+400
question
Consider a firm with production function f(L,K)=3L1/3K2/3. Assume that capital is fixed at K=1. Assume also that the price of capital r=5 and the price of labor w=3. Then, the average variable cost of producing q units is?
AVC(q)=q2/3.
AVC(q)=q/3.
AVC(q)=q2.
AVC(q)=q2/9.
AVC(q)=q/9.
AVC(q)=q2/3.
AVC(q)=q/3.
AVC(q)=q2.
AVC(q)=q2/9.
AVC(q)=q/9.
answer
AVC(q)=q2/9
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Assume also that the price of capital r=10 and the price of labor w=3. Then, the average cost of producing q units is?
AC(q)=114/q+9/8
AC(q)=88/q+1/12
AC(q)=24/q+3
AC(q)=24/q+1
AC(q)=24/q+q
AC(q)=114/q+9/8
AC(q)=88/q+1/12
AC(q)=24/q+3
AC(q)=24/q+1
AC(q)=24/q+q
answer
AC(q)=24/q+1
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Assume also that the price of capital r=10 and the price of labor w=3. Then, the marginal cost of producing q units is?
MC(q)= 3
MC(q)=1/12
MC(q)=1
MC(q)= 9/8
MC(q)=2q
MC(q)= 3
MC(q)=1/12
MC(q)=1
MC(q)= 9/8
MC(q)=2q
answer
MC(q)=1
question
Consider a firm with production function f(L,K)=3L+8K. Assume that capital is fixed at K=12. Assume also that the price of capital r=10 and the price of labor w=3. Then, the average variable cost of producing q units is?
AVC(q)=1-96/q
AVC(q)=q-96/q
AVC(q)=1/12-32/q
AVC(q)=9/8-6/q
AVC(q)=3-96/q
AVC(q)=1-96/q
AVC(q)=q-96/q
AVC(q)=1/12-32/q
AVC(q)=9/8-6/q
AVC(q)=3-96/q
answer
AVC(q)=1-96/q
question
From the following options, which one can be the production function of this restaurant?
f(L,K)=50L
f(L,K)=7LK
f(L,K)=300min{L,K}
f(L,K)=9L1/2K1/2
f(L,K)=50(L+K)
f(L,K)=50L
f(L,K)=7LK
f(L,K)=300min{L,K}
f(L,K)=9L1/2K1/2
f(L,K)=50(L+K)
answer
f(L,K)=50(L+K)
question
The following production function satisfies constant returns to scale: f(L,K)=3LαK1-α.
True
False
True
False
answer
true
question
Consider a newspaper with production function f(L,K)= 4min{L,K}, where L is the units of labor and K the units of capital they use. Denote by APL(L,K)=f(L,K)/L the so-called average product of labor (here f is the production function of the firm). The manager of this firm wants to buy more machines to increase the number of units of output produced by each employee, i.e., the Average Product of Labor. The manager's goal is to increase APL to 10 units of output per unit of labor. Is this possible without finding a new technology to produce?
Yes.
No.
Yes.
No.
answer
no
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