The following is an excerpt from… Late Night Discussions on
the Theory of Constraints By Eliyahu M. Goldratt
Late Night Discussion: Number 1 How to block your own distribution
channels - a discussion on the automotive industry.
"Proximity is not just a matter of geography," I mutter as if to
myself, but this time I succeed in triggering a reaction.
"Yes, you're definitely right," Jonah replies and leans forward to stir
the ashes from his bulky cigar, "and those who choose to ignore it are
paying very dearly."
Before the thick carpet of silence once again engulfs us, I hurriedly
throw out the first cliché that comes to mind, "the Japanese." Lately it
seems as if this always stirs up the conversation.
It doesn't fail. "Alex," Jonah asks me, "why do we tend to point to the
people who do the logical things and not to the ones who stubbornly refuse
to recognize the changing nature of reality?"
But this time I feel that my Israeli friend has gone a little too far.
"We haven't lost yet," I say in somewhat hurt voice. This Japanese stuff
is a double-edged sword, especially when you talk with foreigners.
"Hey, come down from your high horse." Jonah is smiling at me. "I don't
relate to the hocus-pocus of cycles in global economy and the such. I'm
just alluding to a much more practical day-to-day behavior that we see all
around us in our industries."
This doesn't help much, I'm still irritated. "Would you care to
elaborate?" I inquire stiffly of my Israeli friend.
"Certainly," says Jonah. "Imagine companies that produce many tens of
thousands of different parts and assemble them into literally millions of
different end products." "What a logistical nightmare that must me," I
contribute my two cents.
"No doubt Alex, but this is not the entire story. You have to take into
account the additional complication that these companies are not producing
to firm orders. They produce to market forecasts, that like almost any
forecast, aren't exactly accurate. If you were in charge, where would you
hold the inventories, in front of the assembly plants or as finished
products?"
I don't rush to answer. Long ago I learned that with Jonah one had
better take his time. "What are the products' shelf life?" I inquire
cautiously.
"Oh, thank you for reminding me of that very important point," Jonah
answers. "These companies have something they call model-year-change,
which means that once a year all - not just some but all - finished goods
are declared obsolete and the companies must get rid of them within a
matter of a few weeks. This strange method was invented a long time ago as
a means to boost sales, but now it's accepted as a fact of life.
"Under that strange scenario," I note, "it's obvious one should hold
enough stocks of finished parts in front of the assembly plants and try to
minimize the amount of finished assembled goods."
"Alex, can you be more specific?"
By now I'm thoroughly used to Jonah's style, so I just nod my head and
ask, "What are the average production leadtimes of the various parts?"
"You can safely assume, about two weeks," Jonah replies with a trace of
a smile.
"What is the assembly plant's capacity and what is their leadtime?" I
ask.
"They have assembly capacity going through their ears, and the assembly
leadtime is less than two days. But Alex, you know these pieces of data
why do you ask?"
"Just checking. Under this scenario I would say that those companies
should hold about 20 days before the assembly plants and five days in
finished goods."
"What would you say if I told you," Jonah lays at last his bomb, "that
they hold about one to three days' inventory in front of the assembly
plants and often as much as 90 days of finished goods?"
I try to punch a hole in his balloon, "Come on Jonah, that is not the
case, we both know which companies you are talking about and we're both
aware that they hold almost no finished-goods inventories. It's the
dealers' inventories." "Really?" Jonah grins, giving me the distinct
feeling that, once again, I fell into a trap.
"Let me ask you some innocent questions. Where do you assume the
dealers got the money to pay for the merchandise?"
"They borrow it from the car companies."
"And what is the dealers' collateral?" Jonah continues to pound.
The picture becomes crystal clear, but my Yankee stubbornness forces me
to play on. "The cars themselves," I answer.
"How lovely," he says sarcastically, "and when the modelyear- change
comes, who is giving the rebates, the dealer or the manufacturer?"
"OK, OK, you made your point. Realistically, as long as the end
consumer didn't purchase the car, it definitely still belongs to the
manufacturer. Yes, sometimes inventory is a liability. The Japanese are
holding much less inventory at the dealers and so, even though they
produce in Japan, they are remote from the American market only about one
month, while we are more than eighty days away from our own market. Yes,
proximity is definitely not a matter of just geography. And, as you said,
those who choose to ignore it are paying very dearly. But Jonah why do we
do it? What do you think causes us to ignore the changing nature of
reality?"
"Alex, I don't think that we initially ignore it. We do try to cope
with it. The car manufacturers of America did not ignore the continued
erosion in their market share. They tried to cope with it and not just by
offering empty excuses like cheaper labor, unfavorable currency rates and
government support. Remember the inordinate investments that were poured
into automation, the efforts to improve the logistical systems and the
tremendous energies that were directed successfully to match and surpass
the foreign quality?"
"So why don't we deal directly with the core problem? Why do we ignore
the decisive fact that the inventories that we push on the dealers cause
us to be unable to respond to the market needs?"
I sit quietly for a few minutes. "Jonah, it looks like a catch 22. How
can they break this devastating bind? Let's not forget that on the
financial reports of the car manufacturer, the dealers' inventories are
registered as a complete sale. In the year that they will try to take this
monkey off their back, it will be interpreted as a huge drop in sales.
Eighty days of lost sales. That year, even though production will be cut
to enable the inventory drain, they will have to report a loss of over $10
billion. Nobody can sustain such a reported loss, not even these giants. I
understand that it is really compensating for semireported sales in the
past, but still."
"And what would the vendors do? Most of them cannot sustain such a
major cut in orders." I continue to voice my gloomy thoughts loudly. "Even
spreading the inventory reduction over several years doesn't look too
promising. The car companies would have to report loses several years in a
row. That might ruin their image in the market and cause a further erosion
in market share. Tough problem. Tough."
"Well Jonah, will you please tell me what is wrong in my analysis? You
are the one who claims that there is always a good way out."
"Yes, that is what I claim and as always the answer lies inŠ"
"Checking your basic assumptions!" I burst in. "What is the assumption
that I erroneously assumed here?"
"Why do you want to reduce the dealers' inventory in the first place?
To be closer to the market, right? For what purpose?"
"To increase sales, of course."
"If you know it, why do you ignore the probable sales increase in your
equation? Try to describe the reality that will exist if for a given
particular model you do not have the burden of dealers' inventory."
"OK, I'll try. Suppose we hold very few cars at a dealer. Enough for
the customer to kick the tires, to get the feel.
Now what? The customer hopefully will place an order. For what car? Oh,
I get it! The car has not yet been assembled. The parts are completed but
the car has not been assembled yet. We could afford to present the clients
with a matrix of options and ask them to specify the individual car that
they really want. Since there's ample capacity at the assembly plants, and
since the assembly leadtime including transportation is only five days, we
could promise delivery to the client's house within one week. This would
certainly have some positive impact on sales."
"And especially when we take some innovative steps in the engineering
of the car. 'Design your own car,' I can almost see the advertisement. But
let's dive down from the clouds. Jonah, do you really think that it's
feasible to assemble to customer's orders?"
"For that I've only one answer," Jonah says, puffing on his cigar. "Why
don't you check on what Toyota has recently started to offer to the
Japanese consumer?"
Copyright © 1991 Eliyahu M. Goldratt
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