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Certainty Equivalent is a return that an investor accepts now, rather than taking the chance of expecting higher returns in the future that is uncertain. In other words, as an investor, you are ready to accept the current return, instead of taking a risk on a an uncertain return in the future.
The concept of certainty equivalent is involved in assessing the risk. It relies on the risk appetite of an individual investor.
The certainty equivalent is closely related to the concept of risk premium or the amount of additional return an investor wants to opt for a risky investment over a safe investment. For instance, if the government bond pays an interest of 3%, while a private bond pays 7%. It means that the return on the Bonds is more than the 7% to lure the investor towards it.
In order to attract an investor towards the company’s bond, a company can use such behaviour. Now, the company will have an idea of how much return is required to offer to uplift the investors to take the riskier option.
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The formula of certainty equivalent is based on the term of cash flow from an investment. A certainty equivalent is a cash flow that is risk-free cash that one sees equal to larger but the riskier expected cash flow.
Formula- Expected Cash Flow/ (1+ Risk Premium)
Let’s understand how to calculate a certainty equivalent with the help of an example. An investor has a choice to accept Rs. 15,000 cash flow or choose another option that has the following expectations:
Here is the expected outflow in this -
Total= Rs. 21,600
Now assume that the risk-adjusted rate to be 10% and the risk-free rate to be 2%. The risk premium will be 8% (10% less than 2).
We got the equation = Rs. 21,600/ (1+10%) = Rs. 19,636
Based on this calculation if the investor chooses to avoid risk, then the investor should accept Rs. 19,636 over Rs. 15,000..