The Interest Rate Balancing Act How CBN Decisions Impact Your Savings and Loans
The Interest Rate Balancing Act: How CBN Decisions Impact Your Savings and Loans.
Interest rates are more than just couched in the news. They are the lifeline of the economy, and a direct determinant of the amount of your saving and your loan payments. The Central Bank of Nigeria (CBN) is responsible for the policy in Nigeria and interest rate is among the instruments they employ to control inflation, boost economic growth and ensure currency stability in Nigeria.
What then do these policies do for you who has a savings account or a loan to repay and is an average Nigerian? Let's look at the mechanics.
Monetary policy basics: what is monetary policy?
Monetary policy is the activities of a central bank that involve changing the money supply and interest rates to influence the economy toward certain objectives. The CBN's foremost role is to keep prices stable, which is essentially a way of ensuring that the rate of inflation is kept under control. It also helps in maintaining monetary stability and a healthy financial system.
The CBN's Monetary Policy Committee (MPC) convenes periodically to monitor the economic situation and make necessary adjustments in the main rates. The most critical of these is the Monetary Policy Rate (MPR) which is the base interest rate the CBN lends to the commercial banks. It could be compared to the "cost of currency" for banks.
This is the MPR in relation to the Transmission Mechanism.
Any changes in the MPR do not have immediate impact on your savings and loan rates. Rather, they flow through the economy through what is known as the transmission mechanism. In a nutshell, it is like this:
When CBN raises the MPR, commercial banks will have to pay more money to CBN for the loan.
2. Commercial banks raise their rates: Commercial banks raise their rates of interest to safeguard their profit margins. They can also turn up the price of deposits to draw more funds.
3. Effect on borrowing: With a higher rate, people and businesses will be less inclined to borrow and so the money in the economy will be less.
4. Effect on savings - An increase in the rate of deposits will lead to an increase in money not being available for consumption.
This is the way the CBN is able to fight inflation. It increases spending and borrowing costs, which is supposed to dampen down inflation.
The impact of higher interest rates on you.
Your Savings: A Potential Silver Lining:Your Savings: A Potential Silver Lining:
The CBN's decision to raise the MPR tends to trigger the banks to do the same by raising the interest rate on savings and fixed deposits. This is good news for savers. Higher MPR means banks have to implement higher deposit rates to get funds and consequently more returns on saving.
But this isn't always a sure thing. A recent study of the Nigerian banking sector revealed that the banking sector in Nigeria is generally slow to pass on the benefit to the depositors as some banks react to deposit rate adjustment promptly, while others do not. Banks need to keep their profit margin by increasing the difference between the interest they pay on deposits and the interest they charge for lending. So, you may have to do some legwork to locate a bank that does provide a good rate.
Your Loans: The Challenge of Borrowing
Conversely, rates increase make it much costlier to borrow money. This is most apparent to businesses and individuals.
Personal Loans, Car Loans and Credit Card Debt cost more. These loans' interest rates rise, limiting your money to spend.
Business Loans: Capital expenditure increases. This inhibits growth and investment, since new projects are less profitable. This can result in lower growth rates and unemployment.
The effect tends to be greater on the real sector (the businesses that make goods and services). If they are borrowing less, economic activity will decrease.
The adjustment for inflation.3. The Real Returns: Inflation vs. Interest
Here's where things get tricky. The nominal interest rate the bank pays you isn't all that. The real interest term is the actual interest rate minus the inflation rate.
Suppose you have a savings account with a 10% annual rate of interest, and inflation is 20%. Then the real rate of return on your savings account is -10%. The value of your money is being reduced. Hence, a common apprehension of Nigerians is that even if the interest rates are raised, they do not catch up with inflation, thus making the savers poorer. Research on the transmission mechanism in Nigeria has established that this pass-through is not complete and is sometimes slow, such that the benefits of interest rates to savers are often delayed.
Why the CBN Raises Rates (Even When it Hurts)
It is not an idle move by the CBN to raise rates. Typically, such choices are motivated by economic constraints.
Fighting Inflation: This is the most common reason. The higher the rate of increase in the cost of goods and services, the more the CBN would have to increase the rates to cool down the demand. The CBN has, for instance, raised the MPR several times in 2024 and 2025 to ease the stubbornly high inflation and stabilise the Naira.
Foreign Investment: Foreign investors may be more interested in investing in a country with higher interest rates because they offer better returns. This can help bring in foreign currency, that in turn would strengthen the Naira.
- Capital inflows: The higher rates can help attract capital inflows, thereby stabilizing the exchange rate and avoiding a sudden drop in the Naira's value.
The Downside: Slower growth and unemployment.
Taming inflation is typically measured by falling economic growth. If borrowing costs are high, businesses will be less willing to grow and therefore less jobs will be created. Inflation bias can sometimes neutralize the jobs growth-promoting aspects of a policy that emphasizes inflation control.
Thus, the CBN can sometimes be caught in a delicate balancing act. It has to balance the necessity to restrict unaffordable price rises with the danger of curbing economic growth. There is always the question raised about which is the best way to go, raise interest rates or look at the supply side issues such as food production and energy costs?
A critical examination of the context in Nigeria.
It is a matter of debate whether interest rates policy is effective in Nigeria. This study employed an Analysis through the use of the Structural Vector Autoregression (SVAR) model and concluded that the transmission of monetary policy in Nigeria was moderate and not fully predictable. This implies that not all rate changes are followed by the expected outcomes, such as inflation coming down and growth going up.
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