Why Doctors Should Consider Investing Before Paying Off Student Loans

Emotions often cloud the judgment of even the most rational professionals. For doctors, this is especially true when it comes to making financial decisions. The question of whether to pay off student loans or invest toward future earnings first is one that frequently stirs emotions among physicians.

However, financial decisions should not be made based on emotions; they should be made with logic and facts. This article will take an in-depth look at the economic factors that influence this crucial decision, including interest rates, inflation, and taxes. By examining these factors and using real-life examples, we will explore why it generally makes more sense for doctors to invest money rather than pay down fixed-rate debt.

Interest Rates and Inflation: The Balancing Act

Interest rates and inflation are two key factors to consider when making financial decisions. The relationship between student loan interest rates and inflation rates can have a significant impact on the choice between investing and paying off debt. For example, if your student loan interest rate is lower than the current inflation rate, investing first might be the better option. This is because borrowing money at a lower rate than the inflation rate essentially means you're getting “free money.”

To illustrate, picture loan interest rates and inflation as two cars on a highway. Both cars are heading to the same destination: retirement. Right now, the inflation car is traveling faster than the interest rate car. The interest rate car is fixed on cruise control at 4%. The inflation car is flying by at 7%. Investing in this scenario is like hitching a ride on the faster car to get to the destination much quicker.

The Real-Life Impact of Financial Choices

(For a companion story, read Rich Doctor, Poor Doctor: A Tale of Two Physicians.)

To better understand the long-term consequences of the decision between paying off student loans or investing, let's examine a hypothetical scenario involving two doctors, Dr. Adams and Dr. Brown, who each have $300,000 in medical school debt. A few years after completing residency, both doctors have saved $100,000 and are faced with the choice of paying down their 4% fixed-rate student loan debt or investing that money.

Most physicians would say things like, “it feels good to pay off that debt” or “it sure feels nice to have that debt paid down.” But decisions like this should never involve the word “feel,” because this is a facts-and-logic decision, not an emotional one.

Dr. Adams made an emotional decision with his $100k. Dr. Brown made a logical decision. The results 15 years down the road are jaw-dropping.

Dr. Adams decided to use his extra $100,000 to pay down a portion of his $300,000 student loan debt. He saved 4% interest on the student loans but missed out on an opportunity to earn a 20% compounded gain that he would have gotten had he invested the money instead. Dr. Brown, on the other hand, chose to invest the $100,000 at a 20% return instead of paying off his student loan debt.

Fast forward 15 years, and the difference between the two doctors' financial situations is stark. Dr. Adams's decision saved him $56,880.39 in interest and paid his loan off earlier. He is “feeling” good about his decision… until he talks to Dr. Brown. Dr. Brown paid the minimum payment on the loans and the full interest on his medical debt — but his one-time investment is now worth $1,744,940.23.

They each had $100,000 to start, but today Dr. Brown is $1,533,534.94 richer.

How do you think Dr. Brown “feels” having $1.5 million more dollars now?

I bet Dr. Brown is sure glad he didn't make an emotional decision 15 years ago. The decision of whether to pay off student loans or invest toward future earnings first is a complex one. However, when considered through the lens of economic factors such as interest rates, inflation, and taxes, it becomes clear that investing often provides a more significant advantage.

As medical professionals, making data-driven decisions is at the core of what you do. By applying this same approach to your financial choices, you can secure a brighter financial future for yourself and your loved ones. Remember, it's not just about the numbers; it's about the impact those decisions will have on your life and the lives of those you care about. By setting emotions aside and focusing on logic and facts, doctors can make informed choices that will ultimately lead to greater financial success and stability.

Most physicians understand this logical line of thinking. Physicians rarely let their judgment be clouded by emotions when practicing medicine. But that line of thinking doesn't always carry over to their financial decisions.