What Are Negative Interest Rates

Negative interest rates mean a lender receives back less interest than normal, and in some cases pays to keep money on deposit. The policy is usually set by a central bank on money that commercial banks hold with it, not by every bank on every customer account. The aim is to make idle money less attractive, lower borrowing costs, and encourage spending and investment when an economy is weak.

How negative rates work

Interest is normally a reward for lending money or leaving it in a deposit account. A negative rate reverses that signal. Holding certain deposits becomes a cost rather than a source of income.

In practice, the first step is usually between a central bank and commercial banks. If banks must pay to hold spare reserves at the central bank, they have a stronger reason to lend, buy assets, or otherwise put that money to work. The policy is meant to move through the financial system into lower rates for businesses, households, and investors.

That pass-through is uneven. Banks may not want to charge ordinary savers directly, because customers can object or move their money. They may instead reduce deposit rates, add fees to some accounts, or charge larger deposit holders. Borrowers may see cheaper loans, but being literally paid to borrow is not the normal experience for most people.

Why policymakers use them

Negative rates are used when ordinary rate cuts have already gone a long way and policymakers still want to support demand. If people and businesses are cautious, they may postpone spending, hiring, investment, and borrowing. That can weaken income across the economy and make the slowdown harder to escape.

By pushing rates below zero, a central bank tries to change the choice facing banks and investors. Leaving money idle becomes less appealing. Lending, investing, or spending becomes relatively more attractive. In that sense, negative rates are often used to encourage spending and investment.

The policy also works through expectations. If people believe borrowing costs will stay low, they may feel more confident about taking on projects that need financing. If investors expect lower returns on safe deposits, they may move towards other assets. These effects are intended, but they can also create risks.

What it means for savers and borrowers

For savers, negative rates usually mean poor returns on cash deposits. Your bank may not show a negative interest line on a normal account, but your money can still earn little or nothing while prices and fees reduce its real value.

For borrowers, negative rates can reduce the cost of credit. Mortgages, business loans, and other variable-rate borrowing may become cheaper if banks pass the lower rates through. Fixed-rate borrowers may not benefit unless they refinance or take out new credit.

The effect depends on the banking system, the type of account or loan, and the customer. Large institutions are more likely than ordinary households to face direct charges on deposits. Borrowers with rates linked to market benchmarks may feel the change more quickly than borrowers on fixed terms.

The trade-offs

Negative rates can support an economy, but they are not a free tool. They can squeeze bank profits, make saving feel unrewarding, and push investors towards higher-risk assets in search of return. If banks protect customers from direct charges, the policy may also reach the wider economy less strongly than intended.

The basic idea is simple: when saving idle money is made less attractive, policymakers hope more money will circulate. The hard part is making that happen without weakening trust in banks, distorting investment choices, or placing too much weight on one policy tool.