The PCE personal consumption expenditures index of the US Commerce Department is likely to come down slower than the CPI index by October 2023. The US Fed prefers to use the PCE index and this could lead to the Fed staying with higher interest rates for longer, says the WSJ. Medical care costs are likely to accelerate by the end of 2023, as housing costs decline. The PCE has a larger weighting for medical care costs than the CPI index.