How does inflation affect the DCF Value?

So I was asked this in a recent interview, and while I mentioned the factors (Unlevered FCF will increase because revenue, COGS increases) and the discount rate is affected because the cost of debt factors in inflation through the risk-free rate (not sure about this, and does cost of equity get affected too) I was unsure when he asked - does the overall value the DCF spits out increase?

Do any monkeys have an explanation for this? I feel like although I know the steps of the DCF on the back of my hand, I really don't understand some of the factors. Thanks!

19 Comments
 

A DCF takes accounts for inflation by using nominal interest rates in your WACC calculation, which are based on expected and real interest rates.

Simply, nominal rate = real interest rate + inflation rate. So a higher inflation rate would increase your risk free rate, thus increasing your discount rate and decreasing your enterprise value.

 

Interested in this - the typical explanation I’ve heard for using a 2-3% perpetuity growth rate is that it is roughly in like with US GDP growth. But that’s real growth, correct? If DCF is measured in nominal dollars, why can’t you use a higher perp growth rate (3-4% or higher)?

In the extreme case, if there was 5+% inflation expected, would a justifiable perpetuity growth rate be 7%+?

 
Best Response

Lots of factors here, including whether we are considering levered or unlevered free cash flows. Speaking strictly from intuition, for unlevered free cash flows, consider that an increase in inflation will drive interest rates higher thus driving borrowing costs higher and resulting in investors demanding a higher return on their credit investment. For a company with a large amount of debt in its capital structure, this will have a negative effect on its valuation, because the discount rate becomes higher.

For levered free cash flows, also consider that inflation and the incrementally higher interest rates on debt will have a corresponding incremental tax shielding effect. This should be as simple as running a dummy case to see if the rise in cost of debt is offset by reduced cash taxes paid, in spite of a higher interest expense. It is not.

Finally, consider that by definition inflation erodes consumer purchasing power as goods become more expensive. Depending on the industry and how sensitive the goods / services are to price fluctuations, or stated another way how discretionary in nature the purchase of these items are, this may have a small-to-huge effect on a company's topline.

 

Thanks guys some great stuff here! Sb'ed whoever I could My final question is what happens to the value? Is there a straight answer or it depends on the number of factors that are involved?

One poster mentioned that the increase in unlevered FCF in both the explicit and Terminal period should offset the change in the discount rate and theoretically there should be no change. Also maybe the value increases because of the tax shield in the cost of debt?

 

I think that this question can't be answered by a straight yes or a no given that it really depends on the company's industry and economic environment. While a company with a lot of employees on its P&L could benefit from a higher inflation (because workers become cheaper relative to the goods they are producing), it could also negatively be impacted by the increase in interest rates, as mentioned in other posts, since creditors demand an inflation premium when lending over longer periods of time.

My answer is clearly overly simplistic but I would conclude that companies should do better in a 2% inflation environment than in a deflation environment, thus should theorically be valued higher. At the same time, a company evolving in a hyper inflation environment should do worse than a company in a 2% inflation environment, thus its valuation should be lower over the long run.

 

I have a supplementary questions to the discussion abov On a mining project, on which costs would you apply inflation? For example, for a copper project in indonesia, would you apply IDN inflation rate to all costs or only to costs in local currency? That would excludes potential maintenance cost in USD on equipments. Or I would not impact fuel (oil) costs denominated in USD. thank you

 

Well about one US penny = 90 trillion in hyper-inflated currency so you can work from that angle or measure based on how many chickens or whores they take in lieu of payment.

 

Culpa ut laboriosam itaque suscipit rerum rerum eos beatae. Enim cupiditate odit dolorem eaque assumenda dolor. Id reiciendis est placeat nam reiciendis dolorem aut. Laboriosam voluptas nihil sint accusantium.

Qui quae at doloribus sequi consequatur. Qui sequi delectus est earum tempore id. Facilis error tenetur sunt ut.

Odio et qui minima quis qui ut in aut. Recusandae quidem repudiandae officiis officiis aut incidunt autem excepturi. Quo dolores autem occaecati optio porro ad. Nihil eum vel rerum perspiciatis deserunt iste ea.

Career Advancement Opportunities

June 2026 Investment Banking

  • Evercore 01 99.4%
  • Moelis & Company 01 98.8%
  • JPMorgan 01 98.2%
  • Guggenheim Partners 01 97.7%
  • Morgan Stanley 07 97.1%

Overall Employee Satisfaction

June 2026 Investment Banking

  • Moelis & Company No 99.4%
  • Morgan Stanley 01 98.8%
  • Evercore 01 98.2%
  • BMO Capital Markets 12 97.6%
  • Banco Santander 01 97.1%

Professional Growth Opportunities

June 2026 Investment Banking

  • Moelis & Company No 99.4%
  • Evercore No 98.8%
  • Morgan Stanley 05 98.2%
  • JPMorgan No 97.7%
  • BMO Capital Markets 12 97.1%

Total Avg Compensation

June 2026 Investment Banking

  • Vice President (14) $434
  • Associates (43) $259
  • 3rd+ Year Analyst (8) $210
  • 2nd Year Analyst (22) $179
  • Intern/Summer Associate (13) $156
  • 1st Year Analyst (75) $151
  • Intern/Summer Analyst (68) $101
notes
16 IB Interviews Notes

“... there’s no excuse to not take advantage of the resources out there available to you. Best value for your $ are the...”

Leaderboard

1
redever's picture
redever
99.2
2
kanon's picture
kanon
99.0
3
Secyh62's picture
Secyh62
99.0
4
BankonBanking's picture
BankonBanking
99.0
5
DrApeman's picture
DrApeman
98.9
6
CompBanker's picture
CompBanker
98.9
7
dosk17's picture
dosk17
98.9
8
Betsy Massar's picture
Betsy Massar
98.9
9
GameTheory's picture
GameTheory
98.9
10
numi's picture
numi
98.8
success
From 10 rejections to 1 dream investment banking internship

“... I believe it was the single biggest reason why I ended up with an offer...”