Core Inflation Remains Under Control Despite Spikes in Energy Prices
Article Date - Nov.29.2005
The hurricane-related surge in energy prices drove both the producer price index (PPI) and the consumer price index (CPI) out of sight in September, while the core components of both measures (excluding prices of food and energy) remained in the historically low ranges prevailing since early this year.

A slowdown in energy price inflation at the wholesale level brought down overall PPI inflation to some degree in October, and an outright decline in energy prices at the retail level reduced overall CPI inflation considerably. The news on core inflation was even better, as the core PPI for finished goods slowed to a 1.9% year-over-year pace and the core CPI posted a modest 2.1% increase. The technically superior chain-core CPI (allowing for substitution among goods and services in the market basket) showed a year-over-year rise of only 1.7% in October, the slowest pace in a year.

These performances hardly mean that core inflation is a non-issue, and the Fed has been stressing inevitable pass-through of historically high energy prices into the core down the line. The stunning reversal of the hurricane-induced spike in energy prices has diffused that issue to some degree, although some increase in core inflation still seems inevitable in both 2006 and 2007 as energy prices remain at high levels and labor markets tighten further.
 
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