老师请问这里讲到convextiy，这条convexity的曲线是不是也叫yield curve？还是说yield curve专指另外的一个曲线？

老师第七题第一条里只说有corporate bonds，但题干里说的liability既有corporate bonds也有government treasury，这里不是应该有个issuer的mismatch吗？我不是说答案二一定错了，二是说答案一也可以选

还是第二题，看到之前有同学问过为什么不能用key rate duration。我看之前地回答说immunization和KRD无关，为什么无关？那KRD是做什么用的？

老师，2024mockB卷有一道基金经理选择的题，原文，DuPère is concerned that the fee structure of the investment selected to fill the mandate aligns the client’s interests with those of the asset manager. 问：Which of the following performance fee structures best addresses DuPère’s concerns? A. A fee that is not performance driven B. A fee equal to the higher of the base fee and sharing of positive performance C. A symmetrical fee structure fully exposing the manager to upside and downside 解析给的答案是A。 为什么不选C?

2,4,6题都不太会，可以在讲解一下吗

enhanced indexing 这个不属于active 范畴吗？具体知识点截图有吗？因为关键词是slightly所以就认为small factor 改变

为什么callable bond ZS》OAS ,putable bond 反之？怎么理解更轻松？是否能画出公式去帮助理解？

请问这里sd为什么是简单加权平均呢？

债券的5因子分解，最后一个，是外币相对于本部升值的话，相加吗

老师，2024mock的B卷有一道业绩题，案例六，原文：The decision to reallocate assets to fixed income is based on an analysis of the asset class. The firm uses a top-down approach to first determine allocations to different economic sectors and then decides on security selection within those sectors. Based on economic projections, the firm then chooses the fixed income portfolio weights relative to the benchmark.问：Which risk attribution analysis is most appropriate for the firm’s reallocation of assets to fixed income?答案选C A. Marginal contribution to total risk B. Marginal contribution to tracking risk C. Factors’ marginal contributions to total risk and specific risk 老师，按照原文，出现top-down，以及relative to benchmark，那么他的风险归因应该是：attribute tracking risk to relative allocation and selection decisions. 而选项中没有这个。为什么选C？按照对课上表的讲解，出现了relative就肯定不能是绝对了。而C是top-down+绝对。