Summary of My Post-CPI Tweets

By: Michael Ashton | Tue, Sep 17, 2013
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Here is a summary of my tweets after the CPI release this morning. You can follow me @inflation_guy.

The initial reading of this number, as the tweet timeline above shows, was negative. The figure was weaker-than-expected, and Housing CPI decelerated from 2.26% to 2.17%. This seemed to be a painful blow to my thesis, which is that rising home prices will pass through into housing inflation (expressed in rents) and push core inflation much higher than economists currently expect.

Housing CPI is one of eight major subgroups of CPI, the other seven being Food and Beverages, Medical Care, Transportation, Apparel, Recreation, Education and Communication, and Other. Housing receives the most weight, at 41% of the consumption basket and an even heavier weight in core inflation. So, a deceleration in Housing makes it very hard for core inflation to increase, and vice-versa. If you can get the direction of Housing CPI right, then you'll have a leg up in your medium-term inflation forecast (although it isn't very helpful in terms of projecting month-to-month numbers, which are mostly noise). Thus, the deceleration in Housing seemed discouraging.

But on closer inspection, the main portions of Housing CPI are doing about what I expected them to do. Primary Rents (aka "Rent of primary residence") is now above 3%, in sharp contrast to the expectations of those economists and observers who thought that active investor interest in buying vacant homes would drive up the price of housing but drive down the price of rents. Though I never thought that was likely...the substitution effect is very strong...it was a plausible enough story that it was worth considering and watching out for. But in the event, primary rents are clearly rising, and accelerating, and Owners' Equivalent Rent is also rising although less-obviously accelerating (see Chart, source BLS).

Owners' Equivalent Rent versus Rent of Primary Chart

So, it is much less clear upon further review that this is a terribly encouraging CPI figure. It is running behind my expectations for the pace of the acceleration, but it is clearly meeting my expectations for what should be driving inflation higher. As I say above, econometric lags are hard - they are tendencies only, and in this case the lags have been slightly longer, or the acceleration somewhat muted, from what would typically have been expected from the behavior of home prices. Some of that may be from the "investors producing too many rental units" effect, or it might simply be chance. In any event, the ultimate picture hasn't changed. Core inflation will continue to rise for some time, and will be well above 2% and probably 3% before the Fed's actions have any meaningful effect on slowing the increase.

 


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Michael Ashton

Author: Michael Ashton

Michael Ashton, CFA
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Michael Ashton

Michael Ashton is Managing Principal at Enduring Investments LLC, a specialty consulting and investment management boutique that offers focused inflation-market expertise. He may be contacted through that site. He is on Twitter at @inflation_guy

Prior to founding Enduring Investments, Mr. Ashton worked as a trader, strategist, and salesman during a 20-year Wall Street career that included tours of duty at Deutsche Bank, Bankers Trust, Barclays Capital, and J.P. Morgan.

Since 2003 he has played an integral role in developing the U.S. inflation derivatives markets and is widely viewed as a premier subject matter expert on inflation products and inflation trading. While at Barclays, he traded the first interbank U.S. CPI swaps. He was primarily responsible for the creation of the CPI Futures contract that the Chicago Mercantile Exchange listed in February 2004 and was the lead market maker for that contract. Mr. Ashton has written extensively about the use of inflation-indexed products for hedging real exposures, including papers and book chapters on "Inflation and Commodities," "The Real-Feel Inflation Rate," "Hedging Post-Retirement Medical Liabilities," and "Liability-Driven Investment For Individuals." He frequently speaks in front of professional and retail audiences, both large and small. He runs the Inflation-Indexed Investing Association.

For many years, Mr. Ashton has written frequent market commentary, sometimes for client distribution and more recently for wider public dissemination. Mr. Ashton received a Bachelor of Arts degree in Economics from Trinity University in 1990 and was awarded his CFA charter in 2001.

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