US inflation slowed further in July by almost all measures, and continues to run well below the Fed's 2% target
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US Data Show Inflation, Already Low, Slowed Further in July
1. Data for the Classroom from
Ed Dolan’s Econ Blog
http://dolanecon.blogspot.com/
US CPI Data Show that
Inflation, Already Low,
Slowed Further in July
Posted Aug. 17, 2012
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2. Headline Inflation was Near Zero
The headline inflation rate in the
latest BLS inflation report was zero
for July, as it was for June
Using unrounded data and stating
the monthly change at an annual
rate, seasonally adjusted inflation
was 0.6%
Energy prices fell in July, while food
prices rose slightly. The largest price
increases were for health care
goods and services
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com
3. Weak Energy Prices Bring Core Inflation Down
Food and energy prices are volatile
and usually account for much of the
month-to-month change in the CPI
Their effect can be removed by taking
food and energy out of the CPI. The
result is called the core inflation rate.
The rate of core inflation for July,
stated as an annual rate, was 1.09%
Seasonally adjusted energy prices
fell, let by lower prices for electricity
and natural gas. Refinery disruptions
caused an increase in retail gasoline
prices
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com
4. Trimmed Mean Inflation Also Remains Low
Another way to remove volatility is the
16% trimmed mean CPI published by
the Federal Reserve Bank of
Cleveland. It removes the 8% of
prices that increase most and the 8%
that increase least in each month (or
decrease most), whatever they are
The 16 percent trimmed mean CPI
slowed to an annual rate of 1.29
percent in July
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com
5. Which Measure is Best?
The CPI for all items gives the most
accurate measure of current
changes in the cost of living
Economists at the Fed look closely
at the core and trimmed mean CPIs
to judge the effect of monetary policy
on underlying inflationary trends
The Fed considers inflation of about
2 percent to be consistent with
prudent monetary policy. All three
measures shown here were below
the target for July
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com
6. The Longer Term Trend
To see longer term trends in
inflation, it is useful to look at year-
on-year changes, which compare
each month’s price level with that of
the same month in the year before
All y-o-y measures of inflation rates
slowed during the global
recession, then rose again for most
of 2011.
The three measures shown here
have moved steadily downward in
2012. All are close to or below the
Fed’s targets
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com
7. Index of Sticky Prices Falls
Some prices, like those for food and
energy, are flexible. They change
daily in response to market condtions
Others, like those for restaurant
food, insurance, clothing, and medical
care are sticky. Sellers of those goods
adjust prices only when they are sure
changes in market conditions will last
Economists at the Atlanta Fed publish
an index of sticky prices, which they
think is a better indicator of future
inflation trends than the CPI
The rate of inflation measured by
sticky prices showed sharply in July
Posted Aug. 17, 2012 on Ed Dolan’s Econ Blog http://dolanecon.blogspot.com