两个问题:
第一个问题,这题目答案为什么选C,感觉该选B
因为题目问的是lowest diversification effect,这样相同点越多那么风险分摊效果越差。题目算出B和C资产相关系数为-1,那么其组合算出的标准差该最小,这样也就是风险分摊效果好的表现。
第二个问题,怎么求出B和C资产的correlation为-1?
问题如下图:
选项:
A.
B.
C.
解释:
NO.PZ2018070201000067 问题如下 The return projections have been ma Eunice. analyst from investment company, for eaof the assets with the same probability of occurrence, whicombination of two equally-weighteassets hlowest versification effect? A.Asset A anAsset B.Asset B anAsset C.Asset A anAsset C is correct.We calso use the calculator to measure the correlation. The correlation between asset B anasset C is -1, between A anB is 0.5, anbetween A anC is -0.5, the higher correlation, the worse versification. -0.5 和 -1 为什么选-0.5呢?不是-1最分散?
NO.PZ2018070201000067 问题如下 The return projections have been ma Eunice. analyst from investment company, for eaof the assets with the same probability of occurrence, whicombination of two equally-weighteassets hlowest versification effect? A.Asset A anAsset B.Asset B anAsset C.Asset A anAsset C is correct.We calso use the calculator to measure the correlation. The correlation between asset B anasset C is -1, between A anB is 0.5, anbetween A anC is -0.5, the higher correlation, the worse versification. 表格含义是什么,如何使用计算器计算,解题思路是怎样的
NO.PZ2018070201000067问题如下The return projections have been ma Eunice. analyst from investment company, for eaof the assets with the same probability of occurrence, whicombination of two equally-weighteassets hlowest versification effect? A.Asset A anAsset C.B.Asset B anAsset C.C.Asset A anAsset B.C is correct.We calso use the calculator to measure the correlation. The correlation between asset B anasset C is -1, between A anB is 0.5, anbetween A anC is -0.5, the higher correlation, the worse versification. AB和AC的correlation分别是0.5和-0.5,为什么选AB?和他们方向相关吗?怎么理解
NO.PZ2018070201000067 问题如下 The return projections have been ma Eunice. analyst from investment company, for eaof the assets with the same probability of occurrence, whicombination of two equally-weighteassets hlowest versification effect? A.Asset A anAsset B.Asset B anAsset C.Asset A anAsset C is correct.We calso use the calculator to measure the correlation. The correlation between asset B anasset C is -1, between A anB is 0.5, anbetween A anC is -0.5, the higher correlation, the worse versification. RT
NO.PZ2018070201000067 问题如下 The return projections have been ma Eunice. analyst from investment company, for eaof the assets with the same probability of occurrence, whicombination of two equally-weighteassets hlowest versification effect? A.Asset A anAsset B.Asset B anAsset C.Asset A anAsset C is correct.We calso use the calculator to measure the correlation. The correlation between asset B anasset C is -1, between A anB is 0.5, anbetween A anC is -0.5, the higher correlation, the worse versification. 依照ta的计算器规则,在调动2nSTAT的时候页面只出现ln,再翻页的话就是error2,请问操作有什么问题吗?谢谢