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【简答题】
You _______ take a number from the machine and wait for someone to call you. 2. You ________ cross the road. 3. You ________ bring your dog on the beach. 4. All dogs _______ be on a lead.
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【单选题】As more of a good is consumed, the marginal utility of an additional unit ________, so consumers are willing to pay ________ for an additional unit.
A.
decreases; less
B.
increases; less
C.
decreases; more
D.
increases; more
E.
does not change; less
【单选题】A profit-maximizing firm that is operating in the short run will sell an additional unit of output as long as:
A.
as doing so reduces the firm's per-unit costs.
B.
doing so reduces the firm's marginal costs.
C.
doing so adds more to revenue than it adds to cost.
D.
there is additional plant capacity with which to produce.
【单选题】The amount of additional satisfaction derived from an additional unit of a good or service is called:
A.
total utility.
B.
marginal cost.
C.
total cost.
D.
marginal utility.
【单选题】The additional cost imposed on society as a whole by an additional unit of pollution is:
A.
the marginal social benefit of pollution.
B.
the marginal social cost of pollution.
C.
the optimal Pigouvian tax.
D.
a technology spillover.
【单选题】According to the law of diminishing returns, an additional unit of
A.
capital produces more output than an additional unit of labor.
B.
labor decreases output.
C.
labor produces more output than the previous unit.
D.
labor produces less output than the previous unit.
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