U.S CPI rose 3.12% yoy and 0.10% mom.
Core CPI declined further to 4% yoy and 0.28% mom.
There has been a lot of discussion around the Shelter Component of U.S Consumer Price Inflation. The Shelter component is a category under the Services Inflation. The Shelter component contributes 32.50% to the Headline CPI. The trajectory of Shelter Inflation has an important bearing and hence it is important to understand the idiosyncrasies in calculation methodology.
The Shelter component is primary divided into 4 main parts mentioned below and the weightage mentioned on the right side.
Rent of Primary Residences 7.30%
Owner's Equivalent Rent (OER) 23.80%
Lodging Away from Home 1%
Tenants and Household Insurance 0.40%
For renters, shelter inflation measures both rent and utility payments. For homeowners, the BLS calculates what it would cost to rent a similar house.
As I have come to understand, each area is divided into 6 panels and BLS surveys only 1 panel in an area in a month. So say if I surveyed your house for rental information in January, I will revisit in July. Now say the lease of the current house started on 01 Jan 2023 for a period of 1 year for a monthly rent of $1000.
Now when I visit again the rent is still $ 1000 since the lease has not come up for renewal. In the mean time the rentals have seen sharp escalation. Say in panel 2 with visits for survey planned for Feb and Aug , the lease agreement got renewed and the rent is revised to $1100. But that was true for only some of the houses and not the entire set of houses, the shelter inflation will only partially reflect the effects of the rental escalation and not the general rise in rentals. As time passes the wide rental escalation will start reflecting with a time lag as leases come up for renewal.
Now why it's important to understand is because even though OER has come off highs in April 2023 from peaks of 8.12%, the Nov reading of 6.68% yoy and 0.50% mom does not show significant disinflation. Likewise for Rent of Primary Residences, from the peaks of 8.81% in March 2023 to 6.87% significant disinflation eludes.
I looked at Zillow , a tech Real Estate Market Place in the U.S that publishes data on Observed Rent Index and found this interesting chart below. The rents have broadly increased but the pace of increase has been gradually coming off with mom declines seen in the month of Oct and Nov 2023. Inflation is nothing but the rate of change and since the pace of Rental increases is declining, it will with a lag start reflecting in US inflation data.
Zillow Observed Rent Index
Apartment List is another online market place for apartment listing in the U.S. The website says, "After rents rocketed up in 2021 and early 2022, the dominant theme of 2023 was a rental market cooldown: year-over-year rent growth nationally has plummeted from a peak of 18 percent to its current level of negative 1.1 percent, meaning the national median rent today is slightly lower than it was one year ago."
There is hope that as U.S Rental Data starts reflecting the more recent picture, CPI numbers would start coming off further.
The topic of US Shelter Inflation is a long one and I think the above only helps to get some sense of what the discussion is all about pertaining to the US Shelter Inflation.
Please add your comments if you can add something to the discussion.
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