When interest rates increase too quickly, it can cause a chain reaction that affects the domestic economy as well as the global economy. It can create a recession in some cases. If this happens, the government can backtrack the increase, but it can take some time for the economy to recover from the dip.
- Central banks set target interest rates for an economy, which becomes the basis for all other interest rates on loans and debts, from car loans and mortgages to complex derivatives like credit default swaps.
- Economic theory suggests that there is a balance between interest rates, unemployment, and inflation—if rates go too low, the economy can pick up but overheat leading to rising prices.
- If rates rise too quickly, by the same token, borrowing becomes more expensive and the economy can grind to a halt.
- More recent thinking by central bankers has led many to believe that raising rates too quickly is more of a risk than keeping them low for prolonged periods.
Understanding Interest Rates
Adjusting interest rates is one way that a central bank can encourage employment and keep prices stable in an economy. Interest rates have an impact on everything from home mortgage prices to the ability of a business to expand through financing. If interest rates go too high or are pushed higher than what people and companies can readily afford, spending could stop.
In this sense, higher interest rates could mean that a person may not be able to get a loan to purchase a house on favorable terms, or that a company will lay workers off instead of financing payroll during a downturn.
Looking for Balance
Raising interest rates can slow down the economy, bringing inflation with it, while lowering interest rates can encourage spending. Lowering interest rates is a powerful form of economic stimulus, but it cannot be overdone. The goal is to keep inflation around 2% per year for personal consumption expenditures, but it requires a careful balance.
Former Federal Reserve Chairwoman Janet Yellen (now U.S. Secretary of the Treasury under President Biden) has recently said that increasing interest rates too quickly often carries more risks than leaving them at lower levels for too long.
When Interest Rates Go Up
When the U.S. Federal Reserve raises the federal funds rate, the cost of borrowing goes up too, and this increase starts a series of cascading effects. In essence, banks raise their interest rates for consumers and businesses, and it costs more to buy a home or finance a company. In turn, the economy slows down as people spend less. However, this also keeps the cost of goods stable and curtails inflation. It serves as a signal that economic growth in the United States is expected to be firm as well.
Timing Is Everything
It all comes down to timing. The economy has to be robust enough to handle the increase in the cost of borrowing. If the Fed increases interest rates too quickly – before the economy is ready for it—the realized effect of the interest rate increase can be too much, and the measure could backfire. The economy would become strained and fall into a recession.
Moreover, the effect of interest rates going up would not only be felt in the U.S. If interest rates rise too quickly, the comparative value of the dollar could go up, affecting world markets as well as domestic companies with businesses in other countries.
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As with all drivers of financial assets, a very rapid move is generally not a good thing. The markets are interconnected, so if one input changes too quickly, it dislocates other areas. For example, if interest rates were to rise very quickly, it would yield dramatic, negative effects on bond prices, currencies, and effectively stunt growth in the real economy. Companies would suddenly and unexpectedly be hit with higher borrowing costs. This would hurt earnings, increase their cost of capital, and dampen investment.
Similarly, investors would see their net worth plunge if they’re invested in bonds. In theory, this situation would then begin to self-adjust towards lower interest rates. Likewise, the Federal Reserve System would also intervene through monetary policy to slow down the rate growth.