垄断者利润最大化的产量是边际收益曲线和边际成本曲线的交点。()

在垄断市场上，只有一个唯一的卖者。() 点击查看答案&解析

the extreme over－investment in the dot－com bubble is an identifiable reason why the job reports were so bleak long after the end of the downturn.（） 点击查看答案