What is Cost of Equity? – Meaning, Concept and Formula
April 3, 2025
Theoretical Concept The cost of equity concept is very important when it comes to valuing shares on the stock market. Equity, like all other investment classes expects a compensation to be paid to its investors. The problem however is that unlike debt and other classes the cost of equity is never really straightforward. You can…
The geographical boundaries drawn by nation states are blurring in the 21st century. In many parts of the world, free movement of goods, services, and even personnel have become a norm. However, strangely, the concept of credit and loans is still dependent upon national boundaries. The H1B visa system of America is a testimony to…
Wall Street is very sensitive to communication. Every quarter, executives from top companies communicate their results to the street. Based on the content of this communication, the market reacts. Sometimes the market turns volatile. However, at other times the market remains stable. Apart from the content being communicated, the manner in which it is also…
In the past module, we concentrated on calculating the returns part of the project. All our articles were focused on calculating cash flows and we saw the various special cases that arise while determining cash flows and determined how we must deal with them. This module is all about the other component i.e. risk. The cash flows are nominal figures. To determine the true value of the project, we need to find out an appropriate discount rate for our project. This article is a primer in this regard. It will clear out the first and the most prevalent confusion pertaining to discount rates.
Let’s say that we have a company “A”. At the present moment, the cost of capital for company A, with its existing projects is 12%. Company A is planning to undertake a new project. The cash flows have been determined. It is now time to discount them. What do you think? Would using a 12% discount rate be appropriate?
The answer is that it is not appropriate and here is the reason why:
A company’s risk is measured by the rate at which its cash flows are being discounted currently by the market. This is the company’s cost of capital. The important thing to realize is that this cost reflects the riskiness of the projects that have been undertaken by the company in the past. So, if company A currently has 6 projects running, this discount rate of 12% is a measure of the riskiness of those 6 projects.
Project risk, on the other hand, is independent of company’s risk. It doesn’t really matter if Company A has a 12% discount rate. If the new project is considerably more risky than the past projects undertaken by A then the discount rate must reflect this additional risk. The project needs to be evaluated on its own merits. The discount factor must determine the riskiness of a probable future course of action rather than that of past actions.
What Happens if We Use The 12% Discount Rate?
The general tendency is to use the past discount rate for selecting future projects. However, this is an error and could lead to at least two big consequences for the company, if not more. The two mistakes are:
The bottom line therefore is that the discount rate used must represent the risk of the project and not that of the company. This distinction is very subtle but very important.
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