UK inflation rate falls to

What is inflation in the UK?

inflationInflationMeans a sustained increase in the aggregate or general price level in an economy. Inflation means there is an increase in the cost of living.

“inflation means that your money won’t buy as much today as you could yesterday. ”

In the UK the rate of inflation has varied a lot from 25% a year in 1974 to the deflation in the 1920s and 1930s.

Note on reading Inflation rates:

UK Inflation Since 2000

  • Inflation was close to the governments target of 2% between 2000-2007
  • In 2008, inflation peaked at 5%, primarily because of a surge in the price of oil.
  • Inflation fell in 2009, because of the recession and fall in demand.
  • RPI measure became negative because it includes mortgage interest payments, and interest rates were cut during this period.

Definition of Deflation

Deflation is a fall in the price level of the economy. It means there will be a negative inflation rate.

inflationCPI and RPI Measures of Inflation

RPI – retail price index includes mortgage interest payments and so tends to be more volatile. A cut in interest rates will reduce RPI

CPI – Consumer Price Index excludes mortgage interest payments

Purchasing Power of Money and Inflation

If we have inflation then £100 is going to buy less in the future

Purchasing power of the pound (1920=100)



















This table shows us that £100 buys less goods in 1998 than 1920, (approx 78% of its value)

  • Therefore another definition of inflation is a decline in the purchasing power of money.

The real value of money is the amount of goods it can buy
If you had a fixed income of £100 then the nominal value remains unchanged but the real value has fallen by 95 % in the last 78 years.

  • The rate of change of the price level is known as the rate of inflation e.g. if the price level doubles then the rate of inflation is 100%
  • If the rate of inflation falls (e.g. from 10% to 2%), prices are still rising but at a slower rate.

Hyper Inflation

Definition of hyper inflation. This is generally considered to occur when inflation is greater than 1000%. With hyper inflation money loses its value so rapidly that nobody wants to use it as a medium of exchange

In 1920s Germany had inflation of 100 billion %

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