Apples and oranges: relative growth rate of consumer price indices

Headline CPI, core CPI, and indices for various small expenditure categories were analyzed. Sustainable long-term linear trends have been found in the difference between the headline CPI and these indices. Overall, the results completely support our previous findings for such principal categories as energy, food, housing, etc. One should return to relative price of apples and oranges in order to explain these linear trends in terms of the mainstream economics