Who actually pays negative interest rates?

In most cases, commercial banks pay the negative interest rate penalty to the central bank for storing excess cash. Retail banks rarely pass these negative rates onto everyday consumers because they fear customers will withdraw their deposits and hoard physical cash instead.

Can I get paid to take out a mortgage?

Theoretically, yes, but it is extremely rare. In 2019, Denmark's Jyske Bank offered a 10-year mortgage at a negative interest rate. However, once administrative fees and closing costs were factored in, the borrower still ended up paying a slight overall cost for the loan.

Why would an investor buy a bond with a negative yield?

Investors buy negative-yielding bonds during times of extreme economic panic because they prioritize the absolute safety of their capital over earning a return. They are willing to accept a small, guaranteed loss in exchange for knowing their wealth is securely parked in a government asset.

Do negative interest rates cause cash hoarding?

Yes, the threat of negative interest rates can lead to cash hoarding. Because physical paper money has a natural interest rate of zero percent, individuals and businesses often prefer to store cash in safes rather than pay a bank to hold their digital deposits.

What happens to a savings account if rates go negative?

Usually, nothing happens to everyday retail savings accounts. Banks typically absorb the cost of negative policy rates to prevent a mass withdrawal of funds. However, extremely wealthy individuals or large corporations with massive cash balances may be charged storage fees.

How Do Negative Interest Rates Work? (Why It Matters)

Negative interest rates are an unconventional monetary policy where central banks charge commercial banks a fee to store excess cash, pushing borrowing costs below zero percent.

It flips the traditional banking model upside down, theoretically paying borrowers to take out loans and charging savers to hold deposits.

This explainer breaks down the mechanical purpose of sub-zero rates, how they squeeze bank profit margins, and why the physical existence of cash creates a hard limit on how low rates can go.

Quick Takeaways

Central banks use negative rates as an extreme tool to force commercial banks to lend money into a stagnant economy rather than hoarding it.
While the policy intends to stimulate borrowing, it heavily squeezes bank profit margins because passing negative rates onto everyday retail depositors is difficult.
The physical existence of cash acts as a "zero lower bound," since people can withdraw and store physical bills in a safe to avoid negative rates.
There is a mechanical difference between a central bank setting a negative policy rate and bond investors bidding up prices until yields turn negative.

What Are Negative Interest Rates?

Negative interest rates occur when the cost of borrowing drops below zero percent, meaning the lender effectively pays the borrower for taking their money.

For people asking, can interest rates be negative, the answer is yes, though they break the normal rules of finance. In a standard environment, you earn a yield for lending capital or depositing cash, compensating you for the risk of tying up your money.

A negative rate environment turns this upside down. Instead of receiving interest, a depositor is charged a storage fee, and a borrower theoretically receives a slight premium for taking on debt. This environment is highly unnatural and is only engineered when a central bank determines that standard rate cuts are no longer enough to revive a struggling economy.

The Mechanism: Why Central Banks Push Rates Below Zero

Central banks implement negative rates to fight severe deflation by penalizing commercial banks for parking cash in reserves, forcing them to lend to businesses and consumers instead.

The mechanism relies on a chain reaction. A central bank controls the baseline interest rate that commercial banks receive for holding excess reserves overnight. When this policy rate drops below zero, commercial banks lose money by keeping their funds idle.

To avoid this penalty, they are heavily incentivized to move that cash out into the real economy by issuing cheaper loans and mortgages. The goal is to spur spending, trigger corporate investment, and push inflation back up to a healthy level.

Compare this to the United States: When you look at what is the Federal Reserve and its historical playbook, the US central bank has deliberately avoided crossing the zero-bound line.

During crises, the Fed preferred using standard rate cuts down to zero alongside massive bond-buying programs (Quantitative Easing), rather than dealing with the side effects of charging commercial banks to hold reserves.

The Profit Squeeze: How Negative Rates Impact Banks and Savers

Negative rates crush commercial bank profit margins because banks are forced to absorb the central bank's penalty rather than passing it on to retail depositors.

The transmission of this policy hits a hard physical limit known as the "zero lower bound" of cash. If a commercial bank tries to charge everyday customers a negative interest rate on their checking or savings accounts, those customers will simply withdraw their money. They can hoard physical paper bills in home safes, which yields exactly zero percent, a better deal than a negative return.

Because a mass withdrawal of deposits would trigger a devastating bank run, retail banks rarely pass negative rates onto everyday consumers. Instead, they eat the cost of the central bank's penalty.

This dynamic severely squeezes their net interest margin (the difference between what they earn on loans and pay on deposits). Over a long period, this can perversely restrict lending, as weaker banks become too unprofitable to extend new credit.

Real-World Examples: The ECB, BOJ, and Negative Mortgages

The European Central Bank and the Bank of Japan have both utilized negative rates over the last decade to combat chronic deflationary pressures.

In 2014, the European Central Bank (ECB) became the first major central bank to lower its deposit facility rate below zero, eventually pushing it to -0.5%. The Bank of Japan (BOJ) followed in 2016, setting a policy rate of -0.1% to shock its stagnant economy into growth.

While everyday consumer deposits were largely shielded, there were rare edge cases where negative rates reached the public. In 2019, Jyske Bank in Denmark famously offered a 10-year mortgage at a negative interest rate of -0.5%.

Theoretically, the bank paid the borrower to take out the loan, though in reality, heavy administrative fees meant the borrower still paid a slight overall cost.

Common Misreadings: Policy Rates vs. Negative Bond Yields

A central bank setting a negative policy rate is a deliberate penalty on bank reserves, whereas negative bond yields happen organically when investors bid up the price of a bond so high that its return drops below zero.

A major point of confusion is conflating the two. When a central bank announces a negative rate, it is pulling a specific monetary lever. However, a negative bond yield is a market reaction. In times of extreme global panic, investors will rush to buy ultra-safe assets, like government bonds.

Because bond prices and yields move in opposite directions, this massive wave of buying pushes the bond's price up. If investors pay a high enough premium for the safety of storing their wealth in that bond, the yield to maturity drops below zero. They are willingly accepting a small, guaranteed loss in exchange for total capital security.

Conclusion

Negative interest rates remain one of the most extreme tools in modern finance. They are designed to jolt a frozen economy by making cash too expensive to hoard, theoretically forcing money into productive loans and investments.

However, the severe side effects crushed bank profitability, the threat of physical cash hoarding, and distorted market signals mean central banks are deeply reluctant to use them unless necessary.

To understand the standard levers a central bank pulls before resorting to sub-zero territory, explore the basics of what is monetary policy.