【多选题】关于排列图(柏拉图)的描述,正确的()
B.
能让我们观察到导致不良结果的少数关键因素,有针对性采取措施,改进效果明显
C.
由日本东京大学教授石川馨博士首次引进到品管圈进行质量数据分析
【单选题】When monopolistic profit has been maximized, its marginal cost is ___ than its marginal revenue.
【判断题】In monopolistic competition The equilibrium price and number of firms occurs when price equals average cost.
【单选题】Monopolistic competition occurs when an industry has many firms offering products that are similar but not ________.
【单选题】In the long run under monopolistic competition, when firms advertise,
A.
they will still earn zero economic profit.
B.
they can earn positive economic profit by increasing market share.
C.
the market price must fall.
D.
the market price must rise.
【单选题】测量使用的高斯平面直角坐标系与数学使用的笛卡尔坐标系的区别是()。
【单选题】Monopolistic competition occurs when an industry has many firms offering products that are similar but not ________.