Negative Interest Rates
What Are Negative Interest Rates?
A monetary policy tool where central banks set nominal interest rates below zero percent to encourage lending and spending during severe economic downturns.
Negative interest rates refer to a monetary policy environment where the nominal target interest rate is set below zero percent. In a standard economic world, lenders receive interest from borrowers for the use of their money. However, under a Negative Interest Rate Policy (NIRP), this relationship is flipped: borrowers are effectively paid to borrow money, while savers are penalized for holding cash in bank deposits. This unconventional tool is typically deployed by central banks during periods of extreme economic stagnation or deflationary pressure, when traditional policy tools have been exhausted. Usually, central banks cut rates to zero (the "zero lower bound") to stimulate the economy. When zero is not enough to spark growth or inflation, policymakers may push rates into negative territory. The primary target of this policy is commercial banks. Instead of earning interest on the excess reserves they park at the central bank, commercial banks are charged a fee for keeping their money there. The logic is that this cost will force banks to lend that money out to businesses and consumers to avoid the penalty, thereby injecting liquidity into the economy, boosting investment, and raising inflation toward the central bank's target.
Key Takeaways
- Negative interest rates occur when the central bank sets its policy rate below 0%.
- Commercial banks are charged a fee for holding excess reserves at the central bank instead of earning interest.
- The policy aims to incentivize banks to lend money to businesses and consumers rather than hoarding cash.
- It is considered an unconventional monetary policy used to combat deflation and stimulate growth.
- Major central banks like the ECB, Bank of Japan, and Swiss National Bank have implemented negative rates.
- Negative rates can squeeze bank profitability and may lead savers to hold physical cash.
How Negative Interest Rates Work
The mechanism of negative interest rates begins with the central bank's deposit rate. For example, if the European Central Bank (ECB) sets its deposit facility rate at -0.5%, a commercial bank with €1 billion in excess reserves at the ECB would have to pay €5 million annually for the privilege of keeping that money safe. To avoid this cost, the commercial bank has a few options: 1. **Lend more:** Offer loans to businesses and households at attractive rates. 2. **Invest:** Buy other assets (like government bonds or stocks) to earn a return. 3. **Currency Depreciation:** Moving money out of the domestic currency to avoid negative rates can weaken the currency, making exports more competitive. For the average consumer, negative rates rarely mean they are charged to keep money in a savings account. Banks are often reluctant to pass negative rates onto retail depositors for fear of causing a "run on the bank" (where people withdraw cash to put under their mattresses). Instead, banks absorb the cost, which squeezes their profit margins, or they may increase fees on other services. In some corporate or institutional accounts, however, negative yields have been passed on.
Important Considerations
While negative interest rates are designed to stimulate the economy, they come with significant risks and unintended consequences. * **Bank Profitability:** If banks cannot pass negative rates to depositors but must pay them to the central bank, their net interest margins (the difference between what they earn on loans and pay on deposits) compress. This can weaken the banking sector and potentially reduce lending capacity in the long run. * **Cash Hoarding:** If rates go too negative, businesses and individuals may choose to hold physical cash (banknotes) rather than electronic deposits. Physical cash always has a nominal yield of 0%, which becomes attractive compared to a negative rate. This limits how deep central banks can cut rates. * **Pension Funds and Insurers:** These institutions rely on safe, positive yields to meet future liabilities. Prolonged negative rates can threaten their solvency.
Real-World Example: The European Central Bank (ECB)
In 2014, the ECB became the first major central bank to introduce negative interest rates to combat the Eurozone debt crisis and persistently low inflation. It lowered its deposit rate to -0.1% and eventually cut it further to -0.5% by 2019. Banks holding excess liquidity at the ECB were charged this rate. Consequently, yields on government bonds in Germany and France turned negative. Investors buying a German 10-year Bund at a -0.6% yield were effectively guaranteed to lose money if they held the bond to maturity. This forced investors to seek higher returns in riskier assets like stocks or corporate bonds, or to lend to the real economy.
Pros and Cons of NIRP
Impact of Negative Interest Rate Policy
| Pros (Intended) | Cons (Unintended) |
|---|---|
| Encourages borrowing and investment | Squeezes bank profit margins |
| Weakens currency (boosts exports) | Hurts savers and retirees |
| Increases asset prices (wealth effect) | Encourages excessive risk-taking |
| Combats deflationary spirals | Threatens pension fund solvency |
FAQs
It is extremely rare but theoretically possible. In Denmark, Jyske Bank notably offered a 10-year mortgage with a -0.5% interest rate in 2019. This meant the outstanding loan balance was reduced by more than the monthly payment amount. However, fees and other costs usually meant the borrower still paid something overall.
Storing physical cash is risky and expensive (insurance, security, storage space). For large corporations and banks, the cost of storing billions in banknotes exceeds the cost of a small negative interest rate. However, this "storage cost" sets a practical floor on how negative rates can go.
No. While the Fed cut rates to near zero (0-0.25%) during the 2008 crisis and the COVID-19 pandemic, it has consistently rejected negative rates as a policy tool, preferring other methods like Quantitative Easing (QE) and forward guidance.
The evidence is mixed. While they have helped lower borrowing costs and weaken currencies (aiding exporters), critics argue they have damaged the banking sector and distorted financial markets without generating significant inflation or robust growth in Europe or Japan.
The Bottom Line
Negative interest rates represent a radical experiment in modern monetary policy, turning the traditional rules of finance upside down. By charging banks to hold cash, central banks aim to force capital into the economy to stimulate growth and inflation. While this can lower borrowing costs and boost asset prices, it punishes savers, squeezes bank profits, and creates distortions in financial markets. Investors navigating a negative rate environment must take on more risk to find positive returns, while policymakers must carefully balance the stimulus benefits against the long-term risks to the financial system's stability.
More in Monetary Policy
At a Glance
Key Takeaways
- Negative interest rates occur when the central bank sets its policy rate below 0%.
- Commercial banks are charged a fee for holding excess reserves at the central bank instead of earning interest.
- The policy aims to incentivize banks to lend money to businesses and consumers rather than hoarding cash.
- It is considered an unconventional monetary policy used to combat deflation and stimulate growth.