What is a Negative Interest Rate?

A negative interest rate occurs when central banks or financial institutions set their benchmark interest rates below zero, essentially charging depositors for holding money in their accounts. While it may sound counterintuitive, negative interest rates are a real policy tool used by central banks in certain economic situations. Typically, when you deposit money in a bank, you earn interest; however, with negative interest rates, instead of earning interest, depositors pay a fee for the privilege of keeping their money in the bank.

This policy is primarily used to stimulate the economy by encouraging spending and investment rather than saving, particularly during periods of prolonged low growth or deflation.

How Negative Interest Rates Work

To understand negative interest rates, it's important first to grasp the basic concept of interest rates in general. An interest rate is the cost of borrowing money or the return on lending or depositing money. Positive interest rates incentivize saving by rewarding depositors and lending institutions. They also increase the cost of borrowing, which tends to slow down spending.

In contrast, a negative interest rate turns this dynamic on its head. Under a negative rate regime, financial institutions must pay to park their money with the central bank. As a result, they are more inclined to lend money rather than hold onto it. The goal is to pass these incentives along to consumers and businesses by offering cheaper loans, which ideally stimulates economic activity.

Key Mechanism:

• Depositors Pay Instead of Earning: Traditional bank depositors may see reduced returns or fees for keeping their money in savings accounts.
• Cheaper Borrowing Costs: Loans become cheaper, encouraging businesses and individuals to borrow and spend.
• Penalty for Hoarding Cash: Financial institutions are discouraged from hoarding cash as the cost of storing money with the central bank becomes a burden.

When and Why Are Negative Interest Rates Used?

Negative interest rates are an unconventional monetary policy tool typically employed in extreme economic conditions. Central banks resort to this measure when traditional methods, such as lowering positive interest rates, have failed to provide the necessary economic stimulus. Negative rates have been used in several instances, primarily in the aftermath of the 2008 financial crisis and during the economic downturn caused by the COVID-19 pandemic.

Situations Where Negative Interest Rates Might Be Deployed:

1. Deflation: Deflation, or falling prices, can severely impact economic growth as consumers and businesses delay spending, expecting prices to fall further. Negative interest rates can help reverse this trend by encouraging spending and investment.
2. Stagnation: Prolonged periods of economic stagnation or very low growth may also prompt central banks to use negative interest rates to jumpstart economic activity.
3. Liquidity Trap: In a liquidity trap, even when interest rates are low, people or businesses do not spend or invest. Negative interest rates aim to force money out of savings and into the economy.
4. Low-Inflation Environment: Negative rates can be a tool to push inflation upwards toward a central bank's target level. For instance, the European Central Bank (ECB) and the Bank of Japan implemented negative interest rates as a way to combat persistently low inflation levels.

Historical Examples of Negative Interest Rates

Negative interest rates have been implemented in several advanced economies, especially after the global financial crisis of 2008. Below are some prominent examples of central banks that have adopted this unconventional policy.

1. European Central Bank (ECB): The ECB introduced a negative deposit rate in 2014 to combat sluggish economic growth and low inflation across the Eurozone. By 2021, the ECB had kept its deposit rate negative for several years as part of its broader monetary policy aimed at maintaining price stability and fostering economic growth.
2. Bank of Japan (BoJ): The Bank of Japan implemented a negative interest rate policy in 2016 in a bid to counteract years of economic stagnation and deflationary pressure. Japan’s economy had been grappling with low inflation since the 1990s, and negative rates were seen as a way to encourage more lending and investment.
3. Swiss National Bank (SNB): Switzerland's central bank adopted negative rates in 2015 to weaken the Swiss franc, which had become too strong relative to other currencies, thereby threatening the country’s export-driven economy. By setting a negative interest rate, the SNB aimed to deter investors from buying the Swiss franc and holding deposits in Swiss banks.
4. Denmark’s Nationalbank: Denmark was one of the first countries to experiment with negative interest rates, beginning in 2012. The country used this policy to maintain the Danish krone's peg to the euro and prevent the krone from appreciating too much.

Effects of Negative Interest Rates

The introduction of negative interest rates can have wide-ranging effects on various aspects of the economy, financial markets, and society. While the policy is designed to stimulate economic activity, it comes with its own set of consequences, some of which can be unintended or undesirable.

Positive Effects

• Increased Borrowing and Spending: Negative interest rates make borrowing cheaper for consumers and businesses. Lower borrowing costs encourage spending on large-ticket items such as homes and cars or investing in business expansion.
• Weaker Currency: A side effect of negative rates is a weaker national currency, as investors seek higher returns elsewhere. This can benefit export-driven economies by making their goods more competitive abroad.
• Higher Inflation: By encouraging spending and investment, negative rates can help increase inflation in economies suffering from deflationary pressures or too-low inflation levels. Central banks typically target a moderate inflation rate (around 2%) to maintain price stability.

Negative Effects

• Reduced Bank Profitability: Negative rates reduce the profit margins for banks because they have to pay to store excess reserves with the central bank. This can lead to banks passing on the cost to their customers through higher fees or reduced services.
• Distorted Investment Decisions: When interest rates are negative, investors may seek riskier assets in search of higher returns, potentially inflating asset bubbles in markets such as real estate or stocks. This misallocation of capital can lead to instability in the financial system.
• Impact on Savers: For individual savers, negative interest rates can be frustrating. Rather than earning interest on their savings, depositors may see diminished returns or even be charged fees for holding money in banks, especially in countries where these rates are passed down to consumers.
• Pension Funds and Insurance Companies: Negative interest rates can also have a damaging effect on pension funds and life insurance companies, which rely on returns from low-risk investments like government bonds. With negative rates, their returns shrink, making it harder to meet future obligations to retirees and policyholders.

Criticism and Debate Surrounding Negative Interest Rates

Negative interest rates remain a controversial topic in the world of monetary policy. While some central banks and economists see them as a useful tool in extreme economic circumstances, others argue that they can do more harm than good in the long run.

Critics argue that:

• Distortion of Market Signals: Negative rates send distorted signals to markets, potentially leading to financial instability as investors and institutions seek increasingly risky investments.
• Limited Effectiveness: Critics also point out that negative rates may have limited effectiveness, as they may not lead to increased spending or investment if broader economic conditions remain weak.

Supporters, on the other hand, believe that:

• Necessary Tool for Extreme Conditions: Negative interest rates are seen as a necessary tool in the central bank’s arsenal for combating prolonged economic stagnation or deflation.
• Stimulative Effect on Growth: Proponents argue that negative rates can help boost lending, spending, and inflation when traditional monetary policy tools (such as lowering positive interest rates) have been exhausted.

The Bottom Line

Negative interest rates are an unconventional monetary policy tool used by central banks to encourage borrowing, spending, and investment in times of economic stagnation or deflation. By charging banks to hold reserves, negative rates aim to push money out of savings and into the economy. While they have been implemented in various countries with mixed results, the policy carries both benefits and risks. On the one hand, it can stimulate economic activity and weaken currencies to boost exports. On the other, it can hurt savers, banks, and financial institutions, distort investment decisions, and lead to unintended financial imbalances. Ultimately, the use of negative interest rates remains a debated topic in economic policy.