Supercore prices have been in the news lately because some observers think the Fed is targeting them. This commentary will argue a focus on supercore inflation may have led to a more-than-prudent degree of monetary policy tightening by late 2022 and early 2023. The fact that high interest rates appear to have been a contributing factor to the banking crisis that was touched off by the failure of Silicon Valley Bank in March only strengthens the case.
So, what is the supercore?
So, what, exactly, is the supercore? The notion of ordinary core prices is familiar enough. The core consumer price index, for example, is the ordinary CPI with the highly volatile prices of food and energy removed. The personal consumption expenditures index, a CPI alternative, also has a core version that removes the same two sectors. Measures of the supercore go further by removing still more items.