Inventories Are Heading in The Right Direction

Anyone who follows me knows I feel very strongly about the Total Inventory to Sales Ratio and how it forecasts the future for transportation (in the near term).  If inventories rise over a period of time then it only stands to reason companies will start cutting them back.  When they do that, freight slows to a crawl.

Recently, a lot has been made about the current measurement decreasing (ever so slightly).  As you can see below, they had been going down for most of 2016 and now have stayed steady in 2017:

Inventory to Sales Ratio through June 14, 2017

If you look at this in isolation - i.e., just the last year - you would say it is going in the right direction - which it is.  However, by looking at the full measure over a longer period of time you will see the "recovery" from 2012 to 2016 included a substantial inventory build.  We have just recently moved it down and it is a very slight move.   This tells me there is still substantial room for inventories to be depleted which also means transportation capacity still has a way to go before it becomes a "scarce" commodity.  Yes, there are blips but the longer term trend tells me the curve has room to decrease.

As a supply chain professional I also tend to cringe when I see the contents of this graph. To discuss this, let's ask ourselves why we have inventory in the first place.  Two key tenets of supply chain management:

1. Inventory at rest is a bad thing:   Said a different way, bad things happen to inventory.  It can become obsolete, spoil (in the case of food), get lost, stolen or damaged. When inventory rests, you should see opportunity.
   
2. Inventory exists as a buffer for lack of information:  In a world where you have perfect information (i.e, perfect forecast, perfect purchase signals, perfect transportation signals) you have little need for inventory. Given this, more inventory relative to your sales indicates your progress in S&OP (Sales and Operations Planning) information accuracy is stalling.  You are not improving this information flow, rather, you are making it worse which drives inventory levels. 

Put these two together and you have to ask yourselves if we, as supply chain professionals and as a supply chain industry, have made global supply chains worse or better since 2012?  With all the investment in software, data and analytics, you would think we would have at least stayed even.  But, we have not.  

What we have done as an industry is cut costs.  As reported in CSCMP's State of Logistics Report, we have decreased overall logistics' costs as a % of GDP for the first time since 2009.   But, to what end has this occurred?  The 5 year CAGR for storage costs for inventory is now at 3.6% - far higher than inflation.  While the financial cost of inventory has actually decreased, a lot of this is attributed to lower financing costs (i.e., interest rates) rather than great inventory management. 

The bottom line:  Inventory has been somewhat ignored during this time of incredibly favorable financing.  I do not expect this to continue and as this turns, it is going to turn quickly.  Expect a renewed focus on inventory and expect inventories to be managed a lot tighter in the future.  

And when that happens, expect any sign of a "transportation recovery" to stall (as it has in many years prior).  

Macroeconomic Monday® - Inventory to Sales Ratio

Goes to show, I should never take a break from blogging.  "While I was out", the inventory to sales ratio in the economy has made a very nice move.  While not even close to the post recession area it is starting to move down which indicates the bleeding off of inventory has begun.  Of course, for transportation to tighten, and rates to go up, this will need to tighten some more.

While there is optimism, February retail sales at .1% definitely slowed this movement.

There is also the wild card of autos.  Ford has already warned on inventory and slow sales which means a lot of capacity becomes available as the automotive industry adjusts (read: idles plants).

More to come but let's call this a "good sign" if you are on the capacity side and an "early warning" if you are on the shipper side.

 

Inventories to Sales Ratio

Fundamental Supply Chain Shifts Kill The Idea of a "Surge"

I have talked a lot about the inventory to sales ratio and how it is such a great predictor of what will happen in the transportation industry. Back in April I was sending a warning sign in my post "Inventories Continue to Grow" and I even signaled this all the way back in 2012 in a post titled "Inventory to Sales Ratio Tells A Grim Story".  It appears the Wall Street Journal now agrees.

In an article today titled "At Ports, A Sign of Altered Supply Chains", they discuss the muted growth (or at least not shrink) of the trucking and ocean business.  The cause?  You guessed it - the fact that inventories are high, the consumer is moving to on line purchasing, and the more disciplined approach to inventory management.  There are some key shifts happening:

1. Demand Sensing Supply Chains:  These have finally come into their own.  Companies are much better at identifying the purchase trends and immediately shifting inventory purchases to adjust.  If the consumer slows (or moves from apparel to electronics for example), Demand Sensing Supply Chains adjust almost in real time.  Gone are the days of huge inventory buys "just in case".
   
2. On Line Purchases and The Death of Excess Inventory: Anyone who has managed inventory knows these key tenets of inventory management:  As you move inventory out and disperse it among stores or other storage points, your forecast accuracy decreases, your errors increase and the likelihood you will "orphan" inventory in the network increases dramatically.
   
   To solve these gaps in information, you generally overbuy inventory to keep "in stocks" high.The inventory benefits of on line are clear:  Far fewer inventory points (probably 4 at most) result in much higher accuracy which translates into far fewer inventory dollars to service the same consumer base.  This, of course, translates into much less transportation needed.  Those who say it does not matter, we are selling the same amount of stuff, do not know how the "laws of inventory" work.
   
3. The Growth of The Supply Chain Data Scientist:  This is an entirely new field in supply chain and is different than just being an analyst.  This is deep diving into data, pulling "fuzzy" data points together and identifying trends.  These people see changes in buying patterns far earlier than ever before and provide that information to management which responds far faster than ever before.  Inventory buys can be shut off in a nano second. 

These factors are resulting in a far more disciplined inventory management process.  We have been in an "over inventoried" position, in the aggregate, for a very long time and I have been predicting this will keep the demand for transportation services muted.  This is what is happening. 

Source:  Wall Street Journal