问答题

光纤通信是以光纤为传输媒质。（）
A. 对

B. 错

答案： A

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Consider a market with two firms, firm A and firm B. The market demand is P = 52 - 4Q, where Q = qA + qB. Assume Firm A has a lower MC than Firm B. MCA = ACA = 2 and MCB = ACB = 4. This difference in cost functions provides better justification for existence of a Stackelberg leader. (3) Solve for Firm A’s demand curve.

答案： qA=14-0.5p

单项选择题

阶梯式混合成本又可称为（）

A．半固定成本
B．半变动成本
C．延期变动成本
D．曲线式成本