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Azan · 2019年04月08日

问一道题:NO.PZ2018103102000114 (vs. NO.PZ2018103102000119)

问题如下图:

    

选项:

A.

B.

C.

解释:



上面是PZ2018103102000114。这题算出Firm Value以后,为什么可以根据D/A和D/E分别算各自的价值?

课堂上只给出了如果D的市值知道,可以拿计算出来的Firm value - Debt Value = Equity value这个方法。按照我的理解,不可以直接按照D/E ratio来按比例计算,因为D/E ratio是用Book value算出来的,但是我们现在算出来的Firm value是估算的市场价值,所以不能用Book value的比例来分配。

麻烦看一下这道题:PZ2018103102000119,这两道题都是R30最后一课的习题。这道题如果计算Equity value, 用比例计算Firm Value x E/(D+P+E) 和减法Firm value-P-D 得出的结果相差很大。

所以我的问题是,这样的按比例分配是正确的方法吗?如果条件都给够,是不是两种方法应该得出同样结果?考试中如何应对?

谢谢。

1 个答案

maggie_品职助教 · 2019年04月08日

我感觉ni你这边有几个知识的误区:

1、WACC是基于市值为权重计算的,D/E是按市值不是账面价值

2、要区分公司的价值和市值。 公司的价值是我们根据未来现金流折现得到的,在计算得到公司价值之后,我们可以通过D/E来分拆公司的价值(就像PZ2018103102000114,这是在没给我们债券市值的情况下),如果题目中给你债券市值了,那么请直接用公司价值-债券市值。原因是债券的价值其实就等于它的市值(真金白银借了多少钱就是多少钱)。

3、PZ2018103102000119关于这道题,你有点想多了,这本来就是近似的方法,用比例分拆很少用到。大不部分都是Firm value - Debt Value = Equity value





Azan · 2019年04月10日

对不起上面的点错了。 感谢! 关于1:是的现在是WACC,我本来的感觉是好像计算出来Firm的市价,却按照账面价值比例计算各部分的价值。你的意思是说,题目给出的D/A=40%的比例已经是基于市价?如果是这样的,那很多题目给出Debt的价值的,直接按照比例计算Firm价值就好了,何必算出Firm value再按照比例计算呢?关于2,3,我是不是可以理解成,考试中给出Dedt的价值,我就用减的,如果都没给,就用比例就好?

maggie_品职助教 · 2019年04月10日

1、资本结构都是基于市值的。如果我们只知道债券的市值,如何按比例计算公司的价值。公司的价值是根据它未来盈利能力计算得到的。2、如果题目给出债券市值,我们在计算得到公司价值后,之间直接做减法得到权益的价值。如果没给可以用比例法。

maggie_品职助教 · 2019年04月10日

非常抱歉,这里我讲错了资本结构是按照账面价值计算的,抱歉给你的理解造成困扰了。

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