第1题
A firm operating in a perfectly competitive industry will continue to operate in the short run but earn losses if the market price is less than that firm’s average variable cost but greater than the firm’s average fixed cost.()
第2题
Although regulation and corrective taxes are both capable of reducing pollution, regulation accomplishes this goal more efficiently.()
第3题
Import quotas and tariffs make domestic sellers better off and domestic buyers worse off.()
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