Why the Fed is often slow, late… and wrong in reading inflation

The Federal Reserve faces criticism for relying on lagging year-over-year inflation data, which may lead to delayed or incorrect monetary policy decisions. While some officials advocate for immediate rate hikes, recent short-term data suggests inflation may be cooling faster than annual figures indicate.
Why it matters
The Fed's reliance on specific economic metrics directly impacts interest rates, borrowing costs, and the broader trajectory of the national economy.
It is frequently said that the Federal Reserve steers by looking in the rearview mirror, basing monetary policy decisions on where the economy was in the past, rather than where it is today, or where it is headed. The reason is simple: the Fed relies heavily on measures that summarize the preceding 12 months. Those measures can be slow to reflect a sharp change in the current inflation run rate.
Consider the Consumer Price Index, which purports to measure “inflation” by tracking changes in consumer prices. The July CPI came in at 3.4%, slightly below the June figure of 3.5% — and still far above the Fed’s 2% policy target.
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