Econ 1B - Principles of Microeconomics » Spring 2023 » Chapter 11 Problem Set
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Question #1
You own a deli. Which of the following is most likely a fixed input at your deli?
A.
the tomato sauce used to make soups
B.
the employees
C.
the dining room
D.
the bread used to make sandwiches
Question #2
Table: Total Product and Marginal Product Labor per Day -- Total Products (units per period) 0 -- 0 1 -- 10 2 -- 30 3 -- 70 4 -- 90 5 -- 100 6 -- 107 7 -- 110 8 -- 105 Look at the table Total Product and Marginal Product. The marginal product of the second worker is:
A.
20
B.
15
C.
30.
D.
10
Question #3
If your firm is operating in the negatively sloped portion of a long-run average total cost curve, then your production exhibits:
A.
increasing returns to scale.
B.
decreasing returns to scale.
C.
higher wages.
D.
increased input prices.
Question #4
The total product curve:
A.
shows the relation between output and the quantity of a variable input for varying levels of the fixed input.
B.
will become horizontal when the marginal product of the variable input is constant.
C.
will be downward-sloping if there are diminishing returns to the variable input.
D.
will become flatter as output increases if there are diminishing returns to the variable input.
Question #5
Buford Bus Manufacturing installs a new assembly line. As a result, the output per worker increases. The marginal cost of output at Buford:
A.
will increase (the MC curve will shift up).
B.
will decrease (the MC curve will shift down).
C.
is at its maximum.
D.
will be unchanged.
Question #6
When marginal cost is BELOW average variable cost, average variable cost must be:
A.
at its maximum.
B.
rising.
C.
at its minimum.
D.
falling.
Question #7
The total cost curve for a snowmobile dealership shows how _____ cost depends on the quantity of _____.
A.
total; fixed inputs
B.
total; output
C.
average; variable inputs
D.
marginal; output
Question #8
In the short run, the average total cost curve slopes upward because of:
A.
diseconomies of scale.
B.
diminishing returns.
C.
increasing returns.
D.
economies of scale.
Question #9
Marginal cost _____ over the range of increasing marginal returns and _____ over the range of diminishing marginal returns.
A.
decreases; increases
B.
increases; decreases
C.
is constant; decreases
D.
increases; is constant
Question #10
A business produces 10 pairs of eyeglasses. It incurs $30 in average variable cost and $35 in average total cost. The total fixed cost of producing 10 pairs of eyeglasses is:
A.
$3.
B.
$300.
C.
$35.
D.
$50.
Question #11
Once diminishing returns have set in, as output increases, the total cost curve:
A.
gets flatter.
B.
gets steeper.
C.
becomes horizontal.
D.
increases at first, and then decreases.
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