首先，这里说是完全竞争市场了吗？其次，视频解析里面说设备那部分不用管，设备那部分应该是固定成本吧？短期内多增加一个工人这些固定成本不变，应该是这样理解吧？

老师，这个不能算作misconduct中的fraud么？

为什么除息后卖股票是用Pw减税加股利，而不是用Px？ 除息后股票价格不是会变动吗？为什么还用除息前的价格？

老师，原版书课后题337页第7题，能讲一下解题思路吗？

选项A ：Report 1错在哪？

讲义里面是否应说当价格弹性的绝对值等于1时，称为单位弹性吧

Hellen, CFA, develops marketing materials for an investment fund she founded four years ago. The materials show the four-year, three-year, two-year and one-year returns for the fund. Additionally, the footnote stating in small print reading ‘Past performance does not guarantee future returns’. In the footnote or disclosure, he does not claim compliance with the GIPS standards. A separate sheet is also included showing the fund's most recent semiannual and quarterly returns, which notes that those returns have been neither audited nor verified. Based on the information above, did Hellen most likely violate any Codes and Standards? A Yes, because he did not adhere to the Global Investment Performance Standards B No C Yes, because he included unaudited and unverified results 您好，老师，这个题麻烦给解析下

为什么不选c？

全投资假设是什么？

记者也违规么？