For example, if an economy is overheating (with inflation increasing), a rise in interest rates can help to reduce the growth of aggregate demand and reduce inflationary pressure. If implemented correctly, this can avoid a boom and bust economic cycle. For example, in the late 1980s, interest rates were increased in response to higher inflation.
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With higher interest rates, interest payments on credit cards and loans are more expensive. Therefore this discourages people from borrowing and spending. People who already have loans will have less disposable income because they spend more on interest payments. Therefore other areas of consumption will fall.
Mechanics of raising interest rates. The primary interest rate (base rate) is set by the Bank of England / Federal Reserve. If the Central Bank is worried that inflation is likely to increase, then they may decide to increase interest rates to reduce demand and reduce the rate of economic growth.
A hike in rates makes it more expensive for you to borrow money and usually leads to higher credit card interest and increased mortgage rates. The Federal Reserve announced on Wednesday its largest interest rate increase since 1994, in an effort to counter soaring inflation.
If the Central Bank is worried that inflation is likely to increase, then they may decide to increase interest rates to reduce demand and reduce the rate of economic growth. Usually, if the Central Bank increase base rates, it will lead to higher commercial rates too. See: how are interest rates set.
Higher interest rates tend to moderate economic growth. Higher interest rates increase the cost of borrowing, reduce disposable income and therefore limit the growth in consumer spending. Higher interest rates tend to reduce inflationary pressures and cause an appreciation in the exchange rate. Higher interest rates have various economic effects:
A rise in interest rates discourages investment; it makes firms and consumers less willing to take out risky investments and purchases. Therefore, higher interest rates will tend to reduce consumer spending and investment. This will lead to a fall in Aggregate Demand (AD).
Effect of raising interest rates. The Central Bank usually increase interest rates when inflation is predicted to rise above their inflation target. Higher interest rates tend to moderate economic growth. Higher interest rates increase the cost of borrowing, reduce disposable income and therefore limit the growth in consumer spending.
Increases the cost of borrowing. With higher interest rates, interest payments on credit cards and loans are more expensive. Therefore this discourages people from borrowing and spending. People who already have loans will have less disposable income because they spend more on interest payments.
Those consumers with large mortgages (often first time buyers in the 20s and 30s) will be disproportionately affected by rising interest rates. For example, reducing inflation may require interest rates to rise to a level that causes real hardship to those with large mortgages.
Increased interest rates 2004-06 had a significant impact on US housing market. Higher mortgage costs led to a rise in mortgage defaults – exacerbated by a high number of sub-prime mortgages in the housing bubble.
In 1980 and 81, the UK went into recession, due to the high-interest rates and appreciation in Sterling. (see Recession 1981) Interest rates also rose to 15% to tackle high inflation of the late 1980s (and also protect value of Pound in ERM.