Inflation (RPI) - another imperative channel. Oil is a necessity for the UK, and is price inelastic therefore one can analyse the correlation between a price shock and inflation. It is to be expected that an increase in the price of oil would lead to increased inflation, which would then impose pressures onto GDP. Thus it is of vital importance to observe the relationship between oil and inflation. The data is given as the quarterly rate of change from the previous 12 months.