Home > Causes of Inflation, CPI, Good One > Is Apparel the Canary in the Coal Mine?

Is Apparel the Canary in the Coal Mine?


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Last week, one of the curious parts of the CPI report was the large jump (1.6% month/month, or nearly 20% annualized) in Apparel. At the time, I dismissed this rise with a hand-wave, pointing out that it Apparel is only 4% of core and so I don’t worry as much about Apparel as I do, say, Medical Care or Housing.

But a Twitter follower called to my attention the words of @IanShepherdson, one of the real quality economists out there (and one whom I read regularly when he was with High Frequency Economics, and I was at Natixis). He hasn’t always been on top of the inflation story, but he nailed the housing bubble story in 2008 and I have great respect for him. Ian apparently said of Apparel that it could be the proverbial “canary in the coal mine” when it comes to inflation, since apparel tends to respond more quickly to inflationary pressures since it is a very competitive and very homogeneous category.

So I figured it was worth taking a longer look at inflation.

Now, I should point out that I probably have a bias about getting over-excited about inflation. Back in 2011-12, Apparel prices started to accelerate rapidly for the first time in a generation- and that’s no hyperbole. As the chart below (Source: Bloomberg) shows, the price index for seasonally-adjusted apparel prices went sideways-to-down-to-sideways between 1992 and 2012.

apparel

You can see from this why I may have gotten excited in 2012. Between 1970 and 1992, apparel prices rose at a very steady rate. Then, as post-Cold War globalization kicked into high gear, apparel manufacture moved from being largely produced in the US to being largely produced outside of the US; the effect on prices is apparent on the chart. But in 2011-2012, the price index began to move higher at almost the same slope as it had been moving prior to the globalization dividend. My thought back then was that the dividend only happens once: at first, input costs are stable or declining because high-cost US labor is replaced with low-cost overseas labor – but eventually, once all apparel is produced overseas, then the composition effect is exhausted and input prices will rise with the cost of labor again. In 2012, I thought that might be happening.

And then Apparel flattened out.

You can see, though, from the right side of the chart the latest spike that has Ian (and maybe me) so excited. The month/month rise was the third largest in the last 30 years, exceeded only by February 2009 and February 2000. As an aside, the fact that the three largest monthly spikes were all in February ought to make you at least a little suspicious that some of what is going on may be a seasonal-adjustment issue, but let’s leave that aside for now because I’m rolling.

What about the assertion that Apparel may be the ‘canary in the coal mine,’ giving an early indication on inflation? The chart below (source: Bloomberg, and Enduring Investments calculations) shows the year-over-year change in Apparel prices (on the right-hand scale) versus core CPI (on the left-hand scale).

apparelcanary

I do have to admit, there is something suggestive about that chart although it is at least somewhat visual since I can’t find a consistent lag structure in the data. But the clear turns do seem to happen first in Apparel, often. Ah, but here is the fun chart. For the next chart, I’ve also taken out Shelter from core inflation, since Shelter especially in recent years has been largely driven by pretty crazy monetary policy, as I have pointed out before many times. (And if you want to read what I think that’s likely to lead to, read my book.) To make it fair, I also removed Apparel itself since once Shelter and Food and Energy are all removed, Apparel is starting to matter.

apparelcanary2

In this chart, you can start to see a pretty interesting tendency for Apparel to perhaps lead, slightly – and so, perhaps, Ian is right. In this case, I certainly wouldn’t want to bet against him since I think that’s where inflation is going too. I just wasn’t sure that Apparel was a strong part of the argument. (But at the same time, notice the big spike in Apparel inflation in 2012 preceded a rise in ex-housing core, but not a large or sustained rise in ex-housing core).

The table below shows the breakdown of Apparel into its constituent parts. The first column is the category, the second column is the weight (in overall CPI), the third column is the current y/y change, and the fourth column is the previous y/y change.

Category Weights y/y change prev y/y change
  Apparel 3.1% 0.892% -0.530%
    Men’s apparel 0.63% -0.445% 0.483%
    Boys’ apparel 0.16% -0.443% 1.350%
    Women’s apparel 1.04% 0.230% -2.127%
    Girls’ apparel 0.21% -1.274% -2.283%
    Men’s footwear 0.21% 2.854% -0.461%
    Boys’ and girls’ footwear 0.17% 2.506% -0.046%
    Women’s footwear 0.31% 0.730% 0.926%
    Watches 0.08% 8.525% 0.805%
    Jewelry 0.13% 6.156% 2.874%

I look at this to see whether there’s just one category that is having an outsized move; if there were, then we would worry more about one-off effects (say, the rollout of a new kind of women’s blouse that is suddenly all the rage). It is interesting that Men’s apparel and Boys’ apparel decelerated, while most everything else accelerated, but this happens all the time in the Apparel category. Actually, this is a pretty balanced set of sub-indices, for Apparel.

Now, I’m still not 100% sure this isn’t a seasonal-adjustment issue. It could be related to weather, or day count (29 days in February!), or some bottleneck at a port that caused a temporary blip in prices. I want to see a few more months before getting excited like I did in 2012! But we have had a couple of bad core CPI prints, and we also saw pressure in Medical Care so it is fair to say the number of alarm bells has broadened from one (Housing) to several (Housing, Medical Care, Apparel). It is fair to be concerned about price pressures at this point.

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Categories: Causes of Inflation, CPI, Good One Tags:
  1. TimS
    March 21, 2016 at 5:09 pm

    It is all imported, so it’s all in the Strong dollar. I’d look to other import-intensive categories and expect to see the same.

    • March 21, 2016 at 6:58 pm

      A strong dollar should LOWER apparel inflation. That’s why this is odd!

  2. onebir
    March 21, 2016 at 5:14 pm

    Could be the recent pickup in gold prices is feeding through into watches and jewelry? Looks like those account for almost as large a contribution as footwear.

    I also wonder if smartwatches etc are getting picked up in those categories & distorting the figures (presumably upwards, unless they’re applying hedonics already!)

    • March 21, 2016 at 6:59 pm

      That’s a good point – although not a one-month thing. Was there a big rollout in Feb? Not a bad hypothesis although to be sure – it doesn’t explain Women’s Clothing!

  3. Bart McJunkin
    March 21, 2016 at 6:43 pm

    Hey Mike,

    You mentioned in a recent article that TIPs were 110 bps cheap. Are you saying that real return is now 110 bps? At what term?

    Bart

    • March 21, 2016 at 7:02 pm

      No, real return at 10 years is only 0.26%. But it should be negative. (Since March 8th they’ve rallied about 15bps, and we have them only 85bps cheap compared with nominals at this level).

      Really, the question we’re trying to answer is not “where should real yields be,” but rather “given where nominal yields are, how much should be real yields and how much inflation expectations?” So it doesn’t necessarily mean TIPS are cheap ABSOLUTELY (and in fact I don’t think they are!), but RELATIVELY. Which is why I say use TIPS to REPLACE your nominal allocations, or get long TIPS versus nominals if you can do a breakeven trade.

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