2009 AP Microeconomics微观经济（Form B）真题系列之简答题免费下载

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2009 AP Microeconomics（Form B） Free-Response Questions Free Download

2009 AP 微观经济（Form B）简答题部分免费下载

此套题共计时60分钟

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部分真题预览：

1）Mary & Company, operating in a monopolistically competitive industry, produces a cleaning product called BriteKlean. The company currently produces the profit-maximizing quantity of BriteKlean but is operating at a loss.

1. Draw a correctly labeled graph for Mary & Company and show each of the following.
   1. The profit-maximizing output and price, labeled as QM and PM, respectively
   2. The area of loss, shaded completely
2. What must be true in the short run for the company to continue to produce at a loss?
3. Assume now that the demand for cleaning products increases and that the company is now earning short-run economic profits. Relative to this short-run situation, how does each of the following change in the long run?
   1. The number of firms
   2. The company’s profit
4. In the long run, if the company continues to produce, will it produce the allocatively efficient level of output? Explain.
5. In the long run, will the company be operating in a region where economies of scale exist? Explain.

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