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Jm · 2021年10月27日

根据公式,价格不也相等吗

NO.PZ2018062005000038

问题如下:

Company A and company B are in the automotive industry. If the unit sales volume and operating risk of the two companies are the same, it is very likely that they have the same:

选项:

A.

business risk.

B.

sales risk.

C.

degree of operating leverage.

解释:

C is correct.

If the unit sales volume and operating risk of the two companies are the same, we can draw the conclusion that the two companies have the same sensitivity of operating earnings to changes in the quantity of goods sold, which means they have the same degree of operating leverage. Sales risk is linked with the uncertainty of the price and quantity of goods and services. Business risk contains both sales risk and operating risk.

根据DOL的公式,如果DOL相等:

DOL = Q(P - VC)/[Q(P - VC) - FC]


题目已知,Q相等,FC也相等。

意思就是 P-VC相等,但是推不出P相等,所以Sale risk不一样,对吗?

1 个答案
已采纳答案

王琛_品职助教 · 2021年10月28日

嗨,爱思考的PZer你好:


1

这道题的解题思路,并不是通过 DOL 的计算式拆解哈

题干说了,两家公司的 operating risk 相同,衡量 operating risk 的是 DOL,所以 DOL 相等,直接就能选 C 了

2

其次,就算两家公司的 DOL 相同,只能说明 DOL 计算式中的 Q 相同,即 Q1=Q2,其他的变量:P1、P2、VC1、VC2、FC1、FC2 都没说是否相同

3

最后,关于为何不选 sales risk,我认为可以从两个角度出发

第一个角度是「定性」,sales risk 的定义是产品和服务的「价格」和「销量」的不确定性。现在题干只说了价格相同,但是没说销量的情况,所以无法判断 sales risk 相同

第二个角度是「定量」,原版书的正文和课后题第 8 题,提供了一种定量衡量 sales risk 的方法,即用销量的标准差除以预计销量。题目只说了价格,没说销量,所以从定量角度也无法判断

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