If so, then you know that one of the most common ways to evaluate two alternative investments is to compare the NPV or Net Present Value of two or more investment alternatives.
Recently, while helping a client develop a NPV based evaluation of two projects, I was asked what about the impact of negative interest rates on my recommendations. Hadn’t really thought of that, so I first prepared my NPV spreadsheet and used a spread of interest rates from 1% to 20%. Nothing out of the ordinary there, as you can see from the chart below, where I used 1%.
Typical NPV Pattern
As expected, in this scenario, the NPV was greater for the financial returns generated in the early years versus the later years.
But then I swapped the 1% interest rate for -1% interest rate.
In this scenario, at -1% interest, the payoff is completely reversed.
As you can see, this turns the traditional investment analysis results upside down. I am still running various scenarios through my NPV calculator but the result seems consistent at all interest rates and time variation combinations.
What can you conclude regarding the impact this is having on companies that are deciding on project investments, at least if they use NPV as part of their decision criteria?
This last point is a critical issue and can be seen throughout the economies of the world, where more than 7 trillion dollars of government debt is already in negative territory.
In those economies where the government has decided to push interest rates into negative territory in order to stimulate the domestic economy, we can see that the opposite will be the result. When companies operating in those same negative interest rate economies run their NPV calculations, companies will see that it is not a good time to invest. The result of negative interest rates and upside down NPV analysis will results in an Economic Vapor Lock where nothing happens and nothing moves, the exact opposite of what the central bank was hoping for.
This is the stated reason a growing number of central banks have gone negative. But it has led to:
For most of us, this seems like a distant, esoteric subject. But it has consequences beyond low mortgage rates and asset bubbles. It means businesses have a hard time borrowing money, and an even tougher time finding projects that make sense to invest in. That makes it tougher for every business that sells to other businesses.
If you just want to do a quick Present Value calculation, I've built this simple calculator for just that purpose. It won't handle negative interest rates, yet. So you still need to grab the downloadable version, which will.
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