08 July 2023

What is Real Interest Rate?

In the complex world of finance, the real interest rate is a fundamental concept that plays a crucial role in shaping economic decisions. To put it simply, the real interest rate represents the nominal interest rate adjusted for inflation, providing a more accurate picture of the true cost of borrowing or the potential return on investment.


Understanding the concept of real interest rate is of utmost importance for individuals, businesses, and policymakers alike, as it can significantly impact financial planning and economic growth.

Factors Influencing Real Interest Rate

  1. One of the primary factors influencing the real interest rate is inflation. Inflation refers to the increase in the general price level of goods and services over time. 💥💬 Inflation erodes the purchasing power of money, meaning that a certain amount of money will buy fewer goods and services in the future. When inflation is high, lenders demand higher nominal interest rates to compensate for the loss in purchasing power.


    To calculate the real interest rate, one subtracts the inflation rate from the nominal interest rate. For example, if the nominal interest rate is 5% and the inflation rate is 2%, the real interest rate would be 3%. This adjustment takes into account the actual value of money by factoring in the impact of inflation.

  2. Another factor that influences the real interest rate is monetary policy. Central banks play a significant role in determining interest rates through their monetary policy decisions.

    By adjusting key interest rates, such as Bank Negara in Malaysia, central banks aim to manage inflation, stimulate or slow down economic growth, and maintain price stability. 😎

    Changes in monetary policy can have a direct impact on the real interest rate, influencing borrowing costs, investment decisions, and overall economic activity.

    👉 Read also: How Does Overnight Policy Rate (OPR) affect Inflation?
What are the Implications of Real Interest Rate?
  • For sure, borrowing and lending decisions are directly influenced by the real interest rate. 👀
  • Individuals and businesses evaluate borrowing decisions based on the cost of borrowing, which includes both the nominal interest rate and the expected inflation rate.
  • A higher real interest rate increases the cost of borrowing, potentially reducing borrowing activity and slowing down economic growth.
  • Conversely, a lower real interest rate can encourage borrowing, stimulating consumption and investment.
  • Property loan borrowers would definitely more sensitive to interest rate changes. (especially those with compressed loans 💣💢)
  • Similarly, the real interest rate also affects individuals' saving behavior.
  • When the real interest rate is high, individuals are more likely to save their money in interest-bearing accounts or invest in low-risk assets to earn a decent return.
  • However, when the real interest rate is low, the incentive to save diminishes as the potential return on savings is reduced.
  • This can influence consumer spending patterns and overall economic activity.

Real Interest Rate and Economic Growth 💫💫💫

Historically, periods of low real interest rates have been associated with economic expansion. Lower borrowing costs can encourage businesses to invest, leading to increased production, job creation, and economic prosperity.
On the other hand, high real interest rates can have the opposite effect, potentially leading to reduced borrowing and investment, slower economic growth, and even economic downturns.

For instance, during the aftermath of the 2008 financial crisis, central banks around the world implemented low interest rate policies to stimulate economic recovery. 

These low real interest rates helped facilitate borrowing, boost investment, and fuel economic expansion. Similarly, periods of high real interest rates have been associated with economic slowdowns and recessions.

Interest rates seem high, but real interest rates in the US have only recently crossed into positive territory. (July 2023)

Conclusion

By considering inflation and adjusting nominal interest rates, the real interest rate provides a more accurate representation of the true cost of borrowing and the potential return on investment.

Monitoring changes in the real interest rate allows for better financial planning, assessment of investment opportunities, and informed borrowing and lending decisions.

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