什么是well-defined supply function?以及答案解释The marginal cost schedule of a company in a per- fectly competitive market determines its supply function.是什么意思？

答案B的解释为什么similar market share的情况下竞争力大于共谋？

这题知识点课件没有讲过，看答案也不太懂，老师能不能讲一下？

为什么临界点是100到200啊

Fundamental Growth: fundamental analysis to identify companies expected to exhibit high growth and capital appreciation.为什么基本面分析会呈现high growth and capital appreciation?

老师，发放股利造成股价下跌，对put的value是正相关，那应该提前行权啊，应该选C 啊，那为啥选A 啊？

老师，这道题为什么选A

老师，这道题的题干和选项不知道什么意思，麻烦讲解一下，谢谢

老师，“C is correct. Risk neutrality, not risk aversion, is a key element of derivatives pricing, including swaps.”与另外一题解释矛盾啊，求解释，谢谢

老师，这道题怎么解？