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How Inflation and Increased Rates Impact Your Institution's Success

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Matt De Visser
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For the last 10 years, we have been fortunate to experience good economic times. Even in the face of a devastating global pandemic, asset prices performed well, and delinquencies and defaults have trended downward.

As a result, demand has outpaced supply. Demand for building materials and contractors became so high that work has been delayed and, in some cases, not been completed. Demand for vehicles is so high that their values have started to appreciate. What we’ve recently seen is a general increase in the price of goods and services and a fall in purchasing power, commonly known as inflation.

Inflation hasn’t been much higher than 2.5% over the past 10 years, but it rose dramatically in 2021, hitting 7% in December. That’s the highest it has been since June of 1982.

Inflation from 2019 to 2021

When inflation goes up, the Fed commonly raises interest rates in order to reduce demand and manage inflation. One reason the real estate market has been so good is because interest rates have remained low.

According to Freddie Mac, interest rates in June of 1982 were an incredible 16.7%. Historical Federal Funds Rates are shown below.

Rates from 1980 to 2020

Fed Funds Rates have not been above 2.5% since the onset of the Great Recession. Long story short, interest rates have been very low for a long time, but they are on the rise.

What happens when interest rates increase?


Current Fixed-Rate Borrowers Stick Around

Your current fixed-rate borrowers are sitting on a great deal—an interest rate they wouldn’t be able to get in a current market. As a result, they’re less likely to refinance, and even less likely to sell their house and move. This means less attrition of fixed-rate loan portfolio balances that need to be replaced with new loans.

The catch is that you might not want them to. While you’re losing fewer loans to refinances, you’re foregoing the opportunity cost of making loans in the current higher interest-rate environment. If you have fixed-rate assets (loans) and variable-rate liabilities (shares and borrowed funds), you’ll be negatively impacted in a rising interest-rate environment because you’re paying more for your liabilities, but not receiving any more interest on your assets.


Borrower Purchasing Power Declines

Let’s use an example. Let’s say I make $100,000 per year and can put 25% ($2,083.33/month) of that towards my 30-year mortgage. If my interest rate is 3%, I can afford a $494,000 mortgage. At a 5% interest rate, I can only afford a $388,000 mortgage—over 20% less.


Credit Risk for Variable-Rate Payers Increases

Conversely, let’s say that I’m a variable-rate payer in that same example. A rate bump from 3% to 5% would increase my $2,083.33 payment to $2,653. If I can only afford 25% of my salary to allocate toward my mortgage, my income will need to increase to $127,300 to cover that gap.

If borrowers can’t come up with the additional funds, they’re at higher risk of default.

Situations like these are what make scenario analysis so important. Let’s walk through a scenario:

  • In an effort to manage a 7% inflation rate, the Fed implements monetary policies raising mortgage rates 2%.
  • The payment shock experienced by variable-rate payers pushes them into default, and their house is foreclosed on.
  • When the house is sold, the average buyer can now afford 20% less than they could previously.

Now imagine that, in addition to the reduced purchasing power, we have foreclosures resulting from payment shock increasing the supply of homes. In addition, many new constructions are being completed as a result of the previous rapid appreciation of the home market.

Impacts from scenarios like these are ones you want to plan for proactively regardless of macro-economic conditions. You should be answering the following questions:

  • Is our balance sheet structured to absorb the impacts?
  • At a macro level, do we have sufficient capital, or are there concentrations of credit risk under the most vicious economic pressures?
  • At a micro level, which variable-rate borrowers do we think will have the largest payment shock when their rates change? Is there anything we can do proactively to reduce that risk?

Banks have been good at providing affordable financial products in all economic environments. By understanding what can go wrong when things get tough, you put yourself in a position to continue making good loans and serving your clients when they need it most.



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