Deflation means that the pound in your pocket is worth more each year. In an earlier age, deflation was regarded as benign at worst.
For a couple of hundred years before 1946, moderate deflation would occur over long periods of improving productivity. It was often associated with the good times.
It is easy to see why. The purchasing power of people's incomes increased; people could take out life insurance policies knowing that if the sum assured paid for a funeral at today's prices, it would pay for their funeral when they died; and businesses and individuals could sign contracts spanning the generations knowing that inflation would not lead to either party losing out.
Indeed, the economy can work better in a period of gentle deflation. If the price of housing rises for example, when prices in general are falling, we get an unambiguous signal that housing costs are increasing relative to other costs and that we should think about economising on housing. At a time when all prices are going up, it is difficult to work out what is going on in the marketplace.
Sadly, those days are past and we now have an economy that has adapted to inflation. The pound has had 97 per cent shaved off its purchasing power since 1946 and the Bank of England has a statutory mandate to target positive inflation, year after year.
A severe and unexpected deflation at any time can have