单项选择题

Which of the following statements about a monopolist is most accurate A monopolist will:（）

A. earn economic profits in all situations.
B. maximize the average profit per unit sold.
C. sell at the output level where marginal revenue equals marginal cost.

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单项选择题Which of the following is NOT a characteristic of the long-run industry supply curve（）

A. The long-run supply curve is less elastic than the short run supply curve.
B. The long-run supply curve is flatter than the short-run supply curve.
C. In the long run, there will be a greater change of quantity supplied for a given price change, than in the short run.

单项选择题An economy has been producing at its full-employment level of output and the price level has been stable. Businesses then begin experiencing unintended decreases in their inventory levels. What does this most likely imply about the short-run outlook for economic growth and inflation Economic growth Inflation （）①A. Increasing Decreasing ②B. Decreasing Increasing ③C. Increasing Increasing

A. ①
B. ②
C. ③