老师，像reduce eliminate这种词汇来说风险不都是不正确的吗？

老师，请讲解一下这题，谢谢Compared with core inflation, headline inflation: A has an upward bias. B is more subject to short-term market conditions. C can more accurately predict future inflation

To estimate the trends in sales and production costs of a given industry, an analyst would prefer to collect data on:A the sub-indexes of the wholesale price index (WPI) for that industry.B the sub-indexes of both the CPI and WPI that are relevant to the industry.© CFA Institute. For candidate use only. Not for distribution.Inflation 247C the sub-indexes of the CPI relevant to the output and inputs of that industry.

老师，隐藏订单是价格优先，这个放弃时间优先选择应用到了二和三上，优先执行时间晚的。但是为什么不能把放弃时间这个选择在应用到三和四上，优先执行四，然后再执行三，接着执行二，最后执行一？

题干里面信息：p0就是公式里的Px洋葱，Pt就是公式里的Py，-0.16就是需求函数Py的系数，3.75就是Py的值。

AC和ATC一样吗？

这里老师讲profit等于0⃣️，应该说的是超额收益等于0吧，毕竟考虑的是total

老师，能麻烦讲解一下这道题吗？谢谢！

老师，这道题我不是很懂，能麻烦老师讲解一下吗？谢谢老师！

还是没懂为什么B是错的